Circle of Acheron - Revision history

Klepto: correction regarding rings.

2026-07-25T16:45:29Z

correction regarding rings.

← Older revision		Revision as of 16:45, 25 July 2026
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	[[Scroll of warding\|Scrolls of circle of Acheron]] are not randomly generated. Writing a scroll of circle of Acheron with a [[magic marker]] costs 8 charges. Scrolls of circle of Acheron can be [[wish]]ed for.		[[Scroll of warding\|Scrolls of circle of Acheron]] are not randomly generated. Writing a scroll of circle of Acheron with a [[magic marker]] costs 8 charges. Scrolls of circle of Acheron can be [[wish]]ed for.

	Circles of Acheron make up {{frac\|3\|4}} of all non-hallucinatory engravings on [[rings]].		Circles of Acheron make up {{frac\|3\|4}} of all non-hallucinatory engravings on [[rings]], and rings can be wished for with a circle of Acheron engraving.

	Circle of Acheron appears in [[spellbook]]s of level 1, 2, 3, 4 and 7. The odds of a spellbook containing a circle of Acheron ward are: <!-- lvl1 -> 2/3. lvl2 -> 1/2 * 2/3 = 1/3. lvl3 -> 2/3 * 1/2 * 2/3 = 2/9. lvl4 -> 1/4. lvl7 -> 3/4 * 1/3 * 1/3 = 1/12 -->		Circle of Acheron appears in [[spellbook]]s of level 1, 2, 3, 4 and 7. The odds of a spellbook containing a circle of Acheron ward are: <!-- lvl1 -> 2/3. lvl2 -> 1/2 * 2/3 = 1/3. lvl3 -> 2/3 * 1/2 * 2/3 = 2/9. lvl4 -> 1/4. lvl7 -> 3/4 * 1/3 * 1/3 = 1/12 -->

Klepto: correction regarding word case.

2026-07-25T07:27:39Z

correction regarding word case.

← Older revision		Revision as of 07:27, 25 July 2026
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	{{tocright}}		{{tocright}}
	In [[dNetHack]], [[notdNetHack]], and [[notnotdNetHack]], the '''~~Circle~~ of Acheron''' is a [[ward]] which [[scare]]s some monsters when engraved on the [[floor]]. Circles of Acheron can be reinforced up to 4-fold, with each level of reinforcement taking 2 strokes to draw. With a [[Engraving#Speed\|fast engraving]] tool each reinforcement takes 1 turn, or 2 turns with a slow engraving tool. It gains no secondary effects at higher levels of reinforcement.		In [[dNetHack]], [[notdNetHack]], and [[notnotdNetHack]], the '''circle of Acheron''' is a [[ward]] which [[scare]]s some monsters when engraved on the [[floor]]. Circles of Acheron can be reinforced up to 4-fold, with each level of reinforcement taking 2 strokes to draw. With a [[Engraving#Speed\|fast engraving]] tool each reinforcement takes 1 turn, or 2 turns with a slow engraving tool. It gains no secondary effects at higher levels of reinforcement.
	[[File:Circle of Acheron.png\|left\|164px\|Circle of Acheron]]		[[File:Circle of Acheron.png\|left\|164px\|Circle of Acheron]]
	[[File:4fold Circle of Acheron.png\|170px\|Maximally reinforced Circle of Acheron]]		[[File:4fold Circle of Acheron.png\|170px\|Maximally reinforced Circle of Acheron]]
	{{clear}}		{{clear}}
	The following monsters are warded by ~~Circle~~ of Acheron:		The following monsters are warded by circle of Acheron:
	* most [[undead]], ''except'' {{brightmagenta\|.}} [[Maanzecorian]]		* most [[undead]], ''except'' {{brightmagenta\|.}} [[Maanzecorian]]
	* {{magenta\|d}} [[Cerberus]]		* {{magenta\|d}} [[Cerberus]]
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	==Description==		==Description==
	Standing on a square with a ~~Circle~~ of Acheron engraved prevents [[Pale Night\|Pale Night's]] seduction attack.		Standing on a square with a circle of Acheron engraved prevents [[Pale Night\|Pale Night's]] seduction attack.

	Like the [[Hexagram]] and [[Heptagram]], ~~Circles~~ of Acheron guard against the [[touch of death]] spell, preventing monsters from casting them. Additionally, it also grants total immunity to the spell.		Like the [[Hexagram]] and [[Heptagram]], circles of Acheron guard against the [[touch of death]] spell, preventing monsters from casting them. Additionally, it also grants total immunity to the spell.

	Circle of Acheron also protects against the [[Stranger\|Stranger's]] "yellow death" spell.		Circle of Acheron also protects against the [[Stranger\|Stranger's]] "yellow death" spell.
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	Standing on an engraved circle of Acheron guards against the instant death exhalation of [[ancients of death]], but does not confer immunity to the life-force theft inhalation damage.		Standing on an engraved circle of Acheron guards against the instant death exhalation of [[ancients of death]], but does not confer immunity to the life-force theft inhalation damage.

	[[Monster]]s standing on an engraved ~~Circle~~ of Acheron are immune to the [[The Death-Spear of Keptolo\|The Death-Spear of Keptolo's]] death-touch [[invoke]].		[[Monster]]s standing on an engraved circle of Acheron are immune to the [[The Death-Spear of Keptolo\|The Death-Spear of Keptolo's]] death-touch [[invoke]].

	Circles of Acheron do not protect against death-ray effects such as from a [[wand of death]].		Circles of Acheron do not protect against death-ray effects such as from a [[wand of death]].
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	===Rumors===		===Rumors===
	:''They say that the dead cannot cross back over the river Acheron.''		:''They say that the dead cannot cross back over the river Acheron.''
	Undead cannot reach you while standing on the ~~Circle~~ of Acheron.		Undead cannot reach you while standing on the circle of Acheron.

	==Encyclopedia entry==		==Encyclopedia entry==

Klepto: changed redirect to mainspace page.

2026-07-25T07:20:59Z

changed redirect to mainspace page.

← Older revision		Revision as of 07:20, 25 July 2026
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	#~~REDIRECT~~ [[User:Chris/dNetHack/~~Circle_of_Acheron~~]]		{{tocright}}
			In [[dNetHack]], [[notdNetHack]], and [[notnotdNetHack]], the '''Circle of Acheron''' is a [[ward]] which [[scare]]s some monsters when engraved on the [[floor]]. Circles of Acheron can be reinforced up to 4-fold, with each level of reinforcement taking 2 strokes to draw. With a [[Engraving#Speed\|fast engraving]] tool each reinforcement takes 1 turn, or 2 turns with a slow engraving tool. It gains no secondary effects at higher levels of reinforcement.
			[[File:Circle of Acheron.png\|left\|164px\|Circle of Acheron]]
			[[File:4fold Circle of Acheron.png\|170px\|Maximally reinforced Circle of Acheron]]
			{{clear}}
			The following monsters are warded by Circle of Acheron:
			* most [[undead]], ''except'' {{brightmagenta\|.}} [[Maanzecorian]]
			* {{magenta\|d}} [[Cerberus]]

			==Generation==
			[[Scroll of warding\|Scrolls of circle of Acheron]] are not randomly generated. Writing a scroll of circle of Acheron with a [[magic marker]] costs 8 charges. Scrolls of circle of Acheron can be [[wish]]ed for.

			Circles of Acheron make up {{frac\|3\|4}} of all non-hallucinatory engravings on [[rings]].

			Circle of Acheron appears in [[spellbook]]s of level 1, 2, 3, 4 and 7. The odds of a spellbook containing a circle of Acheron ward are: <!-- lvl1 -> 2/3. lvl2 -> 1/2 * 2/3 = 1/3. lvl3 -> 2/3 * 1/2 * 2/3 = 2/9. lvl4 -> 1/4. lvl7 -> 3/4 * 1/3 * 1/3 = 1/12 -->
			* Level 1 spellbooks: {{frac\|2\|3}} chance
			* Level 2 spellbooks: {{frac\|3}} chance
			* Level 3 spellbooks: {{frac\|2\|9}} (22.2%) chance
			* Level 4 spellbooks: {{frac\|4}} chance
			* Level 7 spellbooks: {{frac\|12}} (8.3%) chance.

			Circle of Acheron, along with many other wards, can be learned from the [[User:Chris/dNetHack/Artifacts/Necronomicon#Study_up_on_ancient_warding_signs\|Necronomicon's]] option to "Study up on ancient warding signs".

			[[Troubadour]]s start the game with knowledge of the circle of Acheron.

			==Description==
			Standing on a square with a Circle of Acheron engraved prevents [[Pale Night\|Pale Night's]] seduction attack.

			Like the [[Hexagram]] and [[Heptagram]], Circles of Acheron guard against the [[touch of death]] spell, preventing monsters from casting them. Additionally, it also grants total immunity to the spell.

			Circle of Acheron also protects against the [[Stranger\|Stranger's]] "yellow death" spell.

			Standing on an engraved circle of Acheron guards against the instant death exhalation of [[ancients of death]], but does not confer immunity to the life-force theft inhalation damage.

			[[Monster]]s standing on an engraved Circle of Acheron are immune to the [[The Death-Spear of Keptolo\|The Death-Spear of Keptolo's]] death-touch [[invoke]].

			Circles of Acheron do not protect against death-ray effects such as from a [[wand of death]].

			Circles of Acheron appear as "x-level circle of Acheron" on the floor.

			==Messages==
			{{message\|You are already beyond Acheron.\|You were affected by the touch of death spell but were protected by standing on a circle of Acheron.}}
			{{message\|But <monster> is already beyond Acheron.\|You invoked The Death-Spear of Keptolo but the monster was standing on a circle of Acheron.}}

			===Rumors===
			:''They say that the dead cannot cross back over the river Acheron.''
			Undead cannot reach you while standing on the Circle of Acheron.

			==Encyclopedia entry==

			{{encyclopedia\|
			Then looking further onwards, I beheld
			A throng upon the shore of a great stream:
			Whereat I thus: "Sir! grant me now to know
			Whom here we view, and whence impell'd they seem
			So eager to pass o'er, as I discern
			Through the blear light?" He thus to me in few:
			"This shalt thou know, soon as our steps arrive
			Beside the woful tide of Acheron."
			[ The Divine Comedy, by Dante Alighieri ]

			A circle of acheron takes just two strokes to scribe, making
			it the simplest of the wards. It may be reinforced up to
			4 times.
			}}

			{{dNetHack-326}}
			[[Category: dNetHack wards]]
			[[Category: notdNetHack wards]]
			[[Category: notnotdNetHack wards]]

Klepto: created redirect.

2026-07-25T05:54:31Z

created redirect.

New page

#REDIRECT [[User:Chris/dNetHack/Circle_of_Acheron]]