Boulder - Revision history

Umbire the Phantom: pothole

2026-05-18T22:39:17Z

pothole

Darth l33t: 5.0.0; not sure if this is how we want to handle the history

2026-05-06T15:35:33Z

5.0.0; not sure if this is how we want to handle the history

Umbire the Phantom: some overdue renovating work before that restart too

2026-04-17T23:12:11Z

some overdue renovating work before that restart too

Umbire the Phantom: follow-up

2026-03-03T00:14:54Z

follow-up

Quietust: /* Moving boulders */ add a clarifying note - steeds pushing boulders result in no exercise for you

2026-03-02T22:00:43Z

‎Moving boulders: add a clarifying note - steeds pushing boulders result in no exercise for you

Umbire the Phantom: potholes

2025-03-24T05:47:19Z

potholes

Umbire the Phantom: /* dNetHack / dnh

2024-06-25T17:41:22Z

‎dNetHack: *dnh

Umbire the Phantom: some copyedit

2024-06-07T12:47:04Z

some copyedit

Umbire the Phantom: /* History */ note about 1.3d boulders

2024-06-06T05:53:19Z

‎History: note about 1.3d boulders

Umbire the Phantom: lede

2024-01-01T23:53:39Z

lede

@@ Line 36: / Line 36: @@
 Monsters with the <code>M2_ROCKTHROW</code> flag can move over boulders, pick them up and even throw them: the hero can also do so if they are polymorphed into one using {{kbd|m}}, and will be given a prompt to do so when attempting to push a boulder that cannot move in that direction. Boulders weigh 6000 [[aum]], but are treated as weightless for monsters that can carry them; if a hero picks one up with a full inventory while in the form of a capable monster, it will be assigned a [[hash mark]] inventory slot ({{white|#}}, also used by [[loadstone]]s).
-If a monster throws a boulder at the hero, it will land on their square regardless of if it actually hits - the hero may move off the square as normal, but attempting to re-enter the square will require pushing the boulder out of the way. If the hero has [[displacement]], or they are [[invisible]] and the monster throwing the boulder cannot [[see invisible]], a thrown boulder that misses will instead land at the square where the monster thought they were.
+If a monster throws a boulder at the hero, it will land on their square regardless of if it actually hits: the hero may move off the square as normal, but attempting to re-enter the square will require pushing the boulder out of the way. If the hero has [[Displacement (property)|displacement]], or they are [[invisible]] and the monster throwing the boulder cannot [[see invisible]], a thrown boulder that misses will instead land at the square where the monster thought they were.
 ===Rolling boulder traps===

@@ Line 3: / Line 3: @@
 {{item
    |color=mineral color
-   |symbol=`
+   |symbol=0
    |tile=[[Image:Boulder.png]]
    |name=boulder
@@ Line 9: / Line 9: @@
    |weight=6000
 }}
-A '''boulder''', {{lightgray|`}}, is a type of huge stone [[object]] that appears in ''[[NetHack]]''. Although boulders are considered items, they tend to behave similar to a [[dungeon feature]]: they are large enough to block line of sight, and are too heavy for [[you]] to lift normally; furthermore, you cannot move to a space occupied by a boulder under most circumstances, though you can push them.
+A '''boulder''', {{lightgray|0}}, is a type of huge stone [[object]] that appears in ''[[NetHack]]''. Although boulders are considered items, they tend to behave similar to a [[dungeon feature]]: they are large enough to block line of sight, and are too heavy for [[you]] to lift normally; furthermore, you cannot move to a space occupied by a boulder under most circumstances, though you can push them.
 ==Generation==
@@ Line 215: / Line 213: @@
 ==History==
 The boulder first appears in [[Hack 1.0]]. From this version to [[NetHack 2.3e]], they are known as '''enormous rocks''', and in [[NetHack 1.3d]] they cannot fill spiked pits.
 ==Messages==
@@ Line 250: / Line 250: @@
 == References ==
 <references />
-{{nethack-366}}
+{{nethack-500}}
 [[Category:Items]]

@@ Line 16: / Line 16: @@
 Boulders are randomly placed during level creation, and are found in corridors and as part of [[rolling boulder trap]]s.
-Reading a [[scroll of earth]] will cause one or several boulders to fall; if read while confused, several [[rock]]s will fall instead. Reading an uncursed scroll will cause one to fall in each square around the [[hero]] ''and'' on them, and reading a blessed scroll omits the boulder that would land on them - reading a cursed scroll causes a single boulder to fall on the hero. Monsters can also read this scroll with the same effects, though they are less likely to do so unless wearing a hard [[helm]].
+[[Sokoban]] is a [[dungeon branch]] dedicated to puzzles where boulders are used to fill pits, and is usually the reason for many players using the aforementioned <tt>boulder</tt> option&mdash;[[luck]] penalties are usually assigned to a [[hero]] for creating or breaking boulders in this branch on an unsolved floor. See the article on Sokoban or the section on Sokoban further below for more information.
-[[Sokoban]] is a [[dungeon branch]] dedicated to puzzles where boulders are used to fill pits, and is usually the reason for many players using the aforementioned <tt>boulder</tt> option - [[luck]] penalties are usually assigned for creating or breaking boulders in this branch on an unsolved floor. See the article or the section below for more information.
+Reading a [[scroll of earth]] will cause one or several boulders to fall on or near the reader: reading an uncursed scroll will cause one to fall in each square around the reader ''and'' on them, and reading a blessed scroll omits the boulder that would land on them, while reading a cursed scroll causes a single boulder to fall on the reader. If read while confused, several [[rock]]s will fall instead. Monsters can also read this scroll with the same effects, though they are {{frac|10}} as likely to do so unless they are wearing a hard [[helm]].
-[[Polymorph]]ing [[statues]] will sometimes produce boulders. Boulders can be [[wish]]ed for one at a time, but unless the hero is in the form of a monster that can [[M2 ROCKTHROW|lift and throw boulders]] (i.e. a non-[[undead]] [[Giant (monster attribute)|giant]] or titan), the boulder will immediately be dropped to the floor.
+[[Polymorph]]ing [[statues]] will sometimes produce boulders. Boulders can be [[wish]]ed for one at a time, but unless the hero is in the form of a monster that can [[M2_ROCKTHROW|lift and throw boulders]] (i.e. a non-[[undead]] [[Giant (monster attribute)|giant]] or titan), the boulder will immediately be dropped to the floor.
 ===Monsters===
 [[Tunneling monster]]s that dig around a level will leave behind boulders on 8.3% of diggable rock squares.{{refsrc|src/dig.c|1328|version=NetHack 3.6.7}}
-Non-[[undead]] giants and titans have a {{frac|2}} chance (50%) of [[Monster starting inventory|generating with]] a boulder.{{refsrc|src/makemon.c|183|version=NetHack 3.6.7|comment=Special case for titans and most other giants}}
+Non-[[undead]] giants and titans have a {{frac|2}} chance (50%) of [[generating with]] a boulder.{{refsrc|src/makemon.c|183|version=NetHack 3.6.7|comment=Special case for titans and most other giants}}
 ==Description==
-The hero and other monsters cannot attack in melee through boulders, but can use missile [[weapon]]s, [[wand]]s, and [[spell]]s to attack through them. A [[pick-axe]], a [[dwarvish mattock]], or a [[force bolt]] (from the spell or a [[wand of striking]]) will shatter boulders and leave behind 6 + ''d60'' [[rock]]s.{{refsrc|src/zap.c|4720|version=NetHack 3.6.7|name=fracture_rock}} A [[wand of teleportation]] will teleport the boulder as with any other item, and a [[wand of polymorph]] or [[spell of polymorph]] will turn it into another item. Other wands, weapons and spells, particularly the [[wand of digging]], will have no effect on the boulder. Monsters will not target a wand of striking at boulders intentionally, and typically do so as a side effect of targeting the hero.
+The hero and other monsters cannot attack in melee through boulders unless a monster is occupying the same square, but they can [[shoot]] missile [[weapon]]s, [[zap]] [[wand]]s, and cast [[spell]]s to attack targets behind them. [[Applying]] a [[pick-axe]] or a [[dwarvish mattock]], or zapping a [[force bolt]] (from the spell or a [[wand of striking]]), will shatter a boulder and leave behind 6 + ''d60'' [[rock]]s.{{refsrc|src/zap.c|4720|version=NetHack 3.6.7|name=fracture_rock}} A [[wand of teleportation]] will teleport the boulder as with any other item, and a [[wand of polymorph]] or [[spell of polymorph]] will turn it into another item. Other wands, weapons and spells, particularly the [[wand of digging]], will have no effect on the boulder. Monsters will not target a wand of striking at boulders intentionally, and typically do so as a side effect of targeting the hero.
 A spell of [[stone to flesh]] turns a boulder into a [[huge chunk of meat]], which is a much less heavy object (though still quite heavy) with none of the boulder's unique properties.

@@ Line 9: / Line 9: @@
    |weight=6000
 }}
 A '''boulder''', {{lightgray|`}}, is a type of huge stone [[object]] that appears in ''[[NetHack]]''. Although boulders are considered items, they tend to behave similar to a [[dungeon feature]]: they are large enough to block line of sight, and are too heavy for [[you]] to lift normally; furthermore, you cannot move to a space occupied by a boulder under most circumstances, though you can push them.
@@ Line 48: / Line 47: @@
 ==Moving boulders==
-You (and other non-giant monsters) cannot travel past boulders without [[phasing]] - if you try to move onto a [[square]] containing a boulder, you will push it to the next square in line if possible; if there is more than one boulder on that square, you will try to push each boulder off in turn until one of them does not move.{{refsrc|src/hack.c|105|version=NetHack 3.6.6}}{{refsrc|src/hack.c|302|version=NetHack 3.6.6}} Pushing boulders this way [[exercise]]s [[strength]]. If you are [[riding]] and try to move onto a square with a boulder this way, your steed will push the boulder instead (which does ''not'' provide exercise).{{refsrc|src/hack.c|310|version=NetHack 3.6.6}} You cannot push any boulders if you are [[levitating]], riding a levitating steed on else are on the [[Plane of Air]], due to lack of leverage.{{refsrc|src/hack.c|124|version=NetHack 3.6.6}} You also cannot push boulders if you are in a tiny-[[size]] form, though you can still squeeze past them.{{refsrc|src/hack.c|371|version=NetHack 3.6.6}}
+You (and other non-giant monsters) cannot travel past boulders without [[phasing]]&mdash;if you try to move onto a [[square]] containing a boulder, you will push it to the next square in line if possible; if there is more than one boulder on that square, you will try to push each boulder off in turn until one of them does not move.{{refsrc|src/hack.c|105|version=NetHack 3.6.6}}{{refsrc|src/hack.c|302|version=NetHack 3.6.6}} If you are [[riding]] and try to move onto a square with a boulder this way, your steed will push the boulder instead.{{refsrc|src/hack.c|310|version=NetHack 3.6.6}} Pushing boulders while not riding will [[exercise]] [[strength]].
 In the diagrams below, the {{white|#}} represents where the boulder will move:

@@ Line 48: / Line 48: @@
 ==Moving boulders==
-You (and other non-giant monsters) cannot travel past boulders without [[phasing]] - if you try to move onto a [[square]] containing a boulder, you will push it to the next square in line if possible; if there is more than one boulder on that square, you will try to push each boulder off in turn until one of them does not move.{{refsrc|src/hack.c|105|version=NetHack 3.6.6}}{{refsrc|src/hack.c|302|version=NetHack 3.6.6}} Pushing boulders this way [[exercise]]s [[strength]]. If you are [[riding]] and try to move onto a square with a boulder this way, your steed will push the boulder.{{refsrc|src/hack.c|310|version=NetHack 3.6.6}} You cannot push any boulders if you are [[levitating]], riding a levitating steed on else are on the [[Plane of Air]], due to lack of leverage.{{refsrc|src/hack.c|124|version=NetHack 3.6.6}} You also cannot push boulders if you are in a tiny-[[size]] form, though you can still squeeze past them.{{refsrc|src/hack.c|371|version=NetHack 3.6.6}}
+You (and other non-giant monsters) cannot travel past boulders without [[phasing]] - if you try to move onto a [[square]] containing a boulder, you will push it to the next square in line if possible; if there is more than one boulder on that square, you will try to push each boulder off in turn until one of them does not move.{{refsrc|src/hack.c|105|version=NetHack 3.6.6}}{{refsrc|src/hack.c|302|version=NetHack 3.6.6}} Pushing boulders this way [[exercise]]s [[strength]]. If you are [[riding]] and try to move onto a square with a boulder this way, your steed will push the boulder instead (which does ''not'' provide exercise).{{refsrc|src/hack.c|310|version=NetHack 3.6.6}} You cannot push any boulders if you are [[levitating]], riding a levitating steed on else are on the [[Plane of Air]], due to lack of leverage.{{refsrc|src/hack.c|124|version=NetHack 3.6.6}} You also cannot push boulders if you are in a tiny-[[size]] form, though you can still squeeze past them.{{refsrc|src/hack.c|371|version=NetHack 3.6.6}}
 In the diagrams below, the {{white|#}} represents where the boulder will move:

@@ Line 54: / Line 54: @@
 <div class="ttyscreen">
 <replacecharsblock rules="ttymap">
-@=[[you|{{white|@}}]]
+@=[[Hero|{{white|@}}]]
 @     @     @       #     #     #
@@ Line 147: / Line 147: @@
 <div class="ttyscreen">
 <replacecharsblock rules="ttymap">
-@=[[You|{{white|@}}]]
+@=[[Hero|{{white|@}}]]
 I=[[Invisible monster|{{gray|I}}]]
@@ Line 161: / Line 161: @@
 <div class="ttyscreen">
 <replacecharsblock rules="ttymap">
-@=[[You|{{white|@}}]]
+@=[[Hero|{{white|@}}]]
 I=[[Invisible monster|{{gray|I}}]]
@@ Line 189: / Line 189: @@
 <div class="ttyscreen">
 <replacecharsblock rules="ttymap">
-^=[[hole|{{brown|^}}]]
+^=[[Hole|{{brown|^}}]]
-@=[[you|{{white|@}}]]
+@=[[Hero|{{white|@}}]]
-I=[[invisible monster|{{gray|I}}]]
+I=[[Invisible monster|{{gray|I}}]]
 ------------

@@ Line 232: / Line 232: @@
 ===dNetHack===
-In [[dNetHack]], boulders in Sokoban are replaced with [[massive stone crate]]s - these crates contain food that will pop out if the crate is broken or pushed into the holes and pits in Sokoban.
+In [[dNetHack]], [[notdNetHack]] and [[notnotdNetHack]], boulders in Sokoban are replaced with [[massive stone crate]]s - these crates contain food that will pop out if the crate is broken or pushed into the holes and pits within Sokoban.
 ===EvilHack===

@@ Line 15: / Line 15: @@
 ==Generation==
-Boulders are usually randomly placed during level creation, and are generally found in corridors or as part of [[rolling boulder trap]]s.
+Boulders are randomly placed during level creation, and are found in corridors and as part of [[rolling boulder trap]]s.
-Reading a [[scroll of earth]] will cause one or several boulders to fall; if read while confused, several [[rock]]s will fall instead. Reading an uncursed scroll will cause one to fall in each square around you ''and'' on you, and reading a blessed scroll omits the boulder that would land on you - reading a cursed scroll causes a single boulder to fall on you. Monsters can also read this scroll with the same effects, though they are less likely to do so unless wearing a hard [[helm]].
+Reading a [[scroll of earth]] will cause one or several boulders to fall; if read while confused, several [[rock]]s will fall instead. Reading an uncursed scroll will cause one to fall in each square around the [[hero]] ''and'' on them, and reading a blessed scroll omits the boulder that would land on them - reading a cursed scroll causes a single boulder to fall on the hero. Monsters can also read this scroll with the same effects, though they are less likely to do so unless wearing a hard [[helm]].
-[[Sokoban]] is a [[dungeon branch]] dedicated to puzzles where boulders are used to fill pits, and is usually the reason for many players using the aforementioned <tt>boulder</tt> option - [[Luck]] penalties are usually assigned for creating or breaking boulders in this branch on an unsolved floor. See the article or the section below for more information.
+[[Sokoban]] is a [[dungeon branch]] dedicated to puzzles where boulders are used to fill pits, and is usually the reason for many players using the aforementioned <tt>boulder</tt> option - [[luck]] penalties are usually assigned for creating or breaking boulders in this branch on an unsolved floor. See the article or the section below for more information.
-[[Polymorph]]ing [[statues]] will sometimes produce boulders. Boulders can be [[wish]]ed for one at a time, but unless you are in the form of a [[Giant (monster attribute)|giant]] or [[titan]], the boulder will immediately be dropped to the floor.
+[[Polymorph]]ing [[statues]] will sometimes produce boulders. Boulders can be [[wish]]ed for one at a time, but unless the hero is in the form of a monster that can [[M2 ROCKTHROW|lift and throw boulders]] (i.e. a non-[[undead]] [[Giant (monster attribute)|giant]] or titan), the boulder will immediately be dropped to the floor.
 ===Monsters===
-Dwarves wielding [[pick-axe]]s or [[dwarvish mattock]]s and [[tunneling monster|other NPC monsters]] that dig around a level will leave behind boulders on 8.3% of diggable rock.{{refsrc|src/dig.c|1328|version=NetHack 3.6.6}}
+[[Tunneling monster]]s that dig around a level will leave behind boulders on 8.3% of diggable rock squares.{{refsrc|src/dig.c|1328|version=NetHack 3.6.7}}
-Non-[[undead]] giants and titans that are randomly generated have a {{frac|2}} chance of [[Monster starting inventory|being given a boulder]].{{refsrc|src/makemon.c|183|version=NetHack 3.6.6|comment=Special case for titans and most other giants}}
+Non-[[undead]] giants and titans have a {{frac|2}} chance (50%) of [[Monster starting inventory|generating with]] a boulder.{{refsrc|src/makemon.c|183|version=NetHack 3.6.7|comment=Special case for titans and most other giants}}
 ==Description==
-You and other monsters cannot attack through boulders, but can use missile [[weapon]]s, [[wand]]s, and [[spell]]s to attack through them. A [[pick-axe]], a [[dwarvish mattock]], or a [[force bolt]] (from the spell or a [[wand of striking]]) will shatter boulders and leave behind several [[rock]]s (specifically 6 + ''d60''){{refsrc|src/zap.c|4720|version=NetHack 3.6.6|name=fracture_rock}}. A [[wand of teleportation]] will teleport the boulder as with any other item, and a beam of [[polymorph]] will transmute one into another item. Other wands, weapons and spells, particularly the [[wand of digging]], will have no effect on the boulder. Monsters will not target a wand of striking at boulders intentionally, and typically do so as a side effect of targeting you.
+The hero and other monsters cannot attack in melee through boulders, but can use missile [[weapon]]s, [[wand]]s, and [[spell]]s to attack through them. A [[pick-axe]], a [[dwarvish mattock]], or a [[force bolt]] (from the spell or a [[wand of striking]]) will shatter boulders and leave behind 6 + ''d60'' [[rock]]s.{{refsrc|src/zap.c|4720|version=NetHack 3.6.7|name=fracture_rock}} A [[wand of teleportation]] will teleport the boulder as with any other item, and a [[wand of polymorph]] or [[spell of polymorph]] will turn it into another item. Other wands, weapons and spells, particularly the [[wand of digging]], will have no effect on the boulder. Monsters will not target a wand of striking at boulders intentionally, and typically do so as a side effect of targeting the hero.
 A spell of [[stone to flesh]] turns a boulder into a [[huge chunk of meat]], which is a much less heavy object (though still quite heavy) with none of the boulder's unique properties.
-{{upcoming|NetHack 3.7.0|[[Shopkeeper]]s, [[aligned priest]]s, [[quest leader]]s, and the [[Rider]]s can break boulders. ({{commit|200cc21fb3a31452c4448fa835ca595fcabfc488}})}}
+{{upcoming|NetHack 3.7.0|Per {{commit|200cc21fb3a31452c4448fa835ca595fcabfc488}}, [[shopkeeper]]s, [[aligned priest]]s, [[quest leader]]s, and the [[Rider]]s can break boulders.}}
-===Boulders and giants===
+===Throwing boulders===
-Non-undead giants (including titans) can move over boulders, pick them up and even throw them. You can do the same if polymorphed into a giant using {{kbd|m}}, and will be given a prompt to do so if you attempt to push a boulder that cannot move in that direction. Boulders in a giant's inventory have no [[weight]], as opposed to the 6000 aum they would weigh otherwise; you can pick one up while in giant form even if all other inventory letters are in use, and it will be assigned a [[hash mark]] inventory slot ({{white|#}}, also used by [[loadstone]]s).
+{{main|M2_ROCKTHROW}}
-If a giant throws a boulder at you, it will land on your square regardless of if it actually hits you - you may move off the square as normal, but attempting to re-enter the square will require pushing the boulder out of the way. If you have [[displacement]], or you are [[invisible]] and the giant throwing the boulder cannot [[see invisible]], a thrown boulder that misses will instead land at the square where the giant thought you were.
+If a monster throws a boulder at the hero, it will land on their square regardless of if it actually hits - the hero may move off the square as normal, but attempting to re-enter the square will require pushing the boulder out of the way. If the hero has [[displacement]], or they are [[invisible]] and the monster throwing the boulder cannot [[see invisible]], a thrown boulder that misses will instead land at the square where the monster thought they were.
 ===Rolling boulder traps===
 {{main|Rolling boulder trap}}
-The rolling boulder trap consists of a trigger square and a single boulder placed out in the open, usually in the same room as the trap, and requires a clear path to trigger.{{refsrc|src/trap.c|398|version=NetHack 3.6.6|name="mkroll_launch"}} If you or another monster steps on that square, the boulder will roll to the opposite side, usually hitting you or that monster along with anyone else in the boulder's path;{{refsrc|src/trap.c|1534|version=NetHack 3.6.6|name="dotrap"|comment=Handling for players activating the trap}}{{refsrc|src/trap.c|2690|version=NetHack 3.6.6|name="mintrap"|comment=Handling for monsters activating the trap}} being hit by a boulder deals d20 damage.The boulder will stop rolling if it runs into something that obstructs it - a boulder that crashes into another boulder will send the second boulder rolling some distance.
+The rolling boulder trap consists of a trigger square and a single boulder placed out in the open, usually in the same room as the trap, and requires a clear path to trigger.{{refsrc|src/trap.c|398|version=NetHack 3.6.7|name="mkroll_launch"}} If a character or monster steps on that square, the boulder will roll to the opposite side, usually hitting whoever triggered the trap and anyone else in its path;{{refsrc|src/trap.c|1534|version=NetHack 3.6.7|name="dotrap"|comment=Handling for players activating the trap}}{{refsrc|src/trap.c|2690|version=NetHack 3.6.7|name="mintrap"|comment=Handling for monsters activating the trap}} being hit by a boulder deals d20 damage. The boulder will stop rolling if it runs into something that obstructs it - a boulder that crashes into another boulder will send the second boulder rolling some distance.
-The boulder will always roll to the other launch square on the opposite side if possible - as long as the boulder is on a launch square when the trap activates, the trap can set it rolling and will do so on repeated triggers.{{refsrc|src/trap.c|1771|version=NetHack 3.6.6}} A boulder trap will not trigger its boulder to roll if the path is obstructed by a wall, or the boulder is moved by anything other than the trap itself. A boulder set rolling by this trap can disappear midway through rolling if, for example, it fills a pit, hole or trap door, or it is caught by a giant that was in the way. Stepping on a rolling boulder trap that cannot trigger a boulder will cause the trap to disappear with no other effect.
+The boulder will always roll to the other launch square on the opposite side if possible - as long as the boulder is on a launch square when the trap activates, the trap can set it rolling and will do so on repeated triggers.{{refsrc|src/trap.c|1771|version=NetHack 3.6.7}} A boulder trap will not trigger its boulder to roll if the path is obstructed by a wall, or the boulder is moved by anything other than the trap itself. A boulder set rolling by this trap can disappear midway through rolling if it fills a pit, hole or trap door, or it is caught by a boulder-throwing monster that was in the way. Stepping on a rolling boulder trap that cannot trigger a boulder will cause the trap to disappear with no other effect.
 ==Moving boulders==
@@ Line 229: / Line 230: @@
 ===SporkHack===
 [[SporkHack]] adds the [[ceiling collapse trap]], which may drop several boulders and rocks on and around the trap when activating; they are capable of dealing immense damage that can potentially kill high-HP characters even if they are wearing a hard helmet.
 ===EvilHack===

@@ Line 10: / Line 10: @@
 }}
-A '''boulder''', {{lightgray|`}}, is a type of huge stone [[object]] that appears in ''[[NetHack]]''. Although boulders are considered items, they are large enough to block line of sight, and are too heavy for [[you]] to lift normally; furthermore, you cannot move to a space occupied by a boulder under most circumstances, though you can push them. Thus, in practice they are often more like a [[dungeon feature]] than an item.
+A '''boulder''', {{lightgray|`}}, is a type of huge stone [[object]] that appears in ''[[NetHack]]''. Although boulders are considered items, they tend to behave similar to a [[dungeon feature]]: they are large enough to block line of sight, and are too heavy for [[you]] to lift normally; furthermore, you cannot move to a space occupied by a boulder under most circumstances, though you can push them.
 The boulder symbol is customizable through the <tt>[[Options#boulder|boulder]]</tt> option; many players choose to change the symbol for boulders to make them more noticeable. Zero, {{lightgray|0}}, is a popular choice.