Arrow

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 • 中文（中国大陆）‎

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Name	arrow
Appearance	arrow
Damage vs. small	1d6
Damage vs. large	1d6
To-hit bonus	+0
Weapon skill	bow
Size	one-handed
Base price	2 zm (+10/positive enchant)
Weight	1
Material	iron

An arrow is a type of weapon that appears in NetHack. It is a projectile weapon designed for bows that is made of iron.

There are silver arrows. as well as multiple types of arrows designed for their own launchers:

• elven arrow (elven bow)
• orcish arrow (orcish bow)
• Ya (yumi)

Generation

Human Rangers start the game with two separate stacks of +0 and +2 arrows for their bow.

Forest centaurs have a ¹⁄₂ chance of being generated with a bow and a stack of arrows. Hunters are always generated with a bow and arrows, and warriors have a ¹⁄₃ chance of generating with a bow and arrows.

A humanoid monster with a weapon attack, the ability to wield weapons and no other ruleset governing its monster starting inventory has a chance of generating with a stack of arrows accompanying a bow, unless they are being generated on the Rogue level: the base odds are ¹⁄₁₄ for normal monsters, ¹⁄₁₂ for a monster that is a lord or nasty, ¹⁄₁₀ for a monster that is an overlord or both a lord and nasty, and ¹⁄₈ for a monster that is both nasty and an overlord.

One of the weapons guarded by the ghost on the Rogue level is a +0 stack of arrows accompanying a bow, each of which have a ³⁄₄ chance of being cursed.

An arrow trap will shoot an arrow at any monster or character that steps on their square until they run out of darts, and untrapping them produces 50−rnl(50) arrows.

Description

Arrows are ineffective in melee, and must be used by throwing or firing them from a wielded bow of any type. Like some other missile weapons, they can misfire if cursed, and have a chance to mulch upon hitting a monster based on enchantment, beatitude and Luck. Dipping arrows in a potion of sickness will poison them, adding +d6 damage and a ¹⁄₁₀ chance of instadeath per hit against monsters without poison resistance.

The number of arrows that can shot at once depends on the character's bow skill: A character shoots 1 arrow per attack Basic skill or lower, up to 2 arrows at Skilled, and up to 3 at Expert. Rangers shooting arrows gain a +1 multishot bonus that stacks with skill-based multishot.

The range for an arrow is dependent on the character's strength - the equation is $\lfloor \frac{Strength}{2} \rfloor +1$ when fired from a wielded bow, and $\lfloor \frac{Strength}{4} \rfloor$ otherwise:

Strength:	3	4, 5	6, 7	8, 9	10, 11	12, 13	14, 15	16, 17	18–18/31	18/31–21	22, 23	24, 25
Range of arrow (with wielded bow)	2	3	4	5	6	7	8	9	10	11	12	13
Range of arrow (without wielded bow)	0	1	1	2	2	3	3	4	4	5	5	6

Strategy

Average damage calculation

The average damage calculations in the following table do not include bonuses from weapon skills or from using a blessed weapon against undead or demonss - note that these bonuses apply per arrow, and can add up to deal more damage than melee attacks.

The calculations for poisoned arrows assume the monster is not poison resistant.

Weapon	Number of arrows fired at once
	1	1d2 (average 1.5)	1d3 (average 2)	1d4 (average 2.5)
+0 arrows	$\frac{1+6}{2}=\bold{3.5}$	$\left (\frac{1+6}{2}\right )\times 1.5=\bold{5.25}$	$\left (\frac{1+6}{2}\right )\times 2=\bold{7}$	$\left (\frac{1+6}{2}\right )\times 2.5=\bold{8.75}$
+7 arrows	$\frac{1+6}{2}+7=\bold{10.5}$	$\left (\frac{1+6}{2}+7\right )\times 1.5=\bold{15.75}$	$\left (\frac{1+6}{2}+7\right )\times 2=\bold{21}$	$\left (\frac{1+6}{2}+7\right )\times 2.5=\bold{26.25}$
poisoned +0 arrows	$\frac{1+6}{2}+\frac{1+6}{2}=\bold{7}$	$\left (\frac{1+6}{2}+\frac{1+6}{2}\right )\times 1.5=\bold{10.5}$	$\left (\frac{1+6}{2}+\frac{1+6}{2}\right )\times 2=\bold{14}$	$\left (\frac{1+6}{2}+\frac{1+6}{2}\right )\times 2.5=\bold{17.5}$
poisoned +7 arrows	$\frac{1+6}{2}+\frac{1+6}{2}+7=\bold{14}$	$\left (\frac{1+6}{2}+\frac{1+6}{2}+7\right )\times 1.5=\bold{21}$	$\left (\frac{1+6}{2}+\frac{1+6}{2}+7\right )\times 2=\bold{28}$	$\left (\frac{1+6}{2}+\frac{1+6}{2}+7\right )\times 2.5=\bold{35}$

History

Arrows first appear in Hack 1.21 and Hack for PDP-11, which are based on Jay Fenlason's Hack, and are included in the initial weapon list for Hack 1.0.

Encyclopedia entry

I shot an arrow into the air,
It fell to earth, I knew not where;
For, so swiftly it flew, the sight
Could not follow it in its flight.
 
I breathed a song into the air,
It fell to earth, I knew not where;
For who has sight so keen and strong
That it can follow the flight of song?
 
Long, long afterward, in an oak
I found the arrow still unbroke;
And the song, from beginning to end,
I found again in the heart of a friend.

[ The Arrow and the Song,
           by Henry Wadsworth Longfellow ]