Difference between revisions of "Mercury Vapours"

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{{spell info}}
 
{{spell info}}
  
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'''Poisonous Vapours''' is a level 2 Poison/Air spell which causes [[smite-targeted]] poison on any vulnerable enemy within [[line of sight]]. Poisonous Vapours will fail to cast if the monster has [[poison resistance]].
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'''Poisonous Vapours''' is a level 2 Poison/Air spell which causes [[smite-targeted]] poison on any vulnerable enemy within [[line of sight]].
  
 
[[Venom Mage]]s start with this spell.
 
[[Venom Mage]]s start with this spell.
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==Useful Info==
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Poisonous Vapours inflicts <code>1 + pow/15</code> poison "stacks" on a single monster.<ref>{{source ref|0.30.0|spl-damage.cc|3539}}</ref> Monsters can have up to 4 stacks at a time. It does nothing against foes with [[poison resistance]].
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Higher stacks mean more damage per turn, according to the following table:
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{| class="wikitable" style="text-align: center;"
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|+ Poison damage per 1.0 turn (monsters)
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|-
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!# Stacks !! Damage (avg.) !! Damage (avg.)<br>rPois-
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|-
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|1 || 0-2 (0.75) || 1-3 (1.75)
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|-
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|2 || 0-3 (1) || 1-6 (3)
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|-
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|3 || 0-4 (1.25) || 1-9 (4.25)
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|-
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|4 || 1-6 (2.5) || 2-13 (6.5)
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|}
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When Poisonous Vapours is used against a player, the stack system is not used.
  
 
==Strategy==
 
==Strategy==
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Poisonous Vapours is an excellent spell for [[Venom Mage]]s to pick up at XL 2, as a more reliable, higher damage, longer-ranged [[Sting]]. It costs 2 MP, making is slightly prohibitive at low levels, but MP concerns quickly fade away. The fact that it is level 2 and can't miss also makes it appealing for any character with a few free spell levels, especially if they want to learn [[Mephitic Cloud]] later on.
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Poisonous Vapours is a good spell to pick up, even if you aren't a Venom Mage. It is a level 2, smite-targeted spell, which never misses and deals good damage (for its level). The downside of the spell is that it's poison - damage is done over time, and it does nothing against foes with poison resistance.
  
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With [[Ignite Poison]], it is a surprisingly strong damage spell, much stronger than being a level 2-3 spell would suggest. It is cheap on MP, smite-targeted, and never misses. It is capable of killing non-rPois enemies, even into [[Zot]] (e.g. [[moths of wrath]], non-green [[draconian]]s, and [[orb guardian]]s). Though, since many enemies ''are'' resistant to poison, you'll need another way of killing things.
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With [[Ignite Poison]], Poisonous Vapours jumps from "good" to "excellent". Ignite Poison converts poison into immediate damage, with a bonus multiplier of 200% to 300%. This combination is cheap and extremely strong, ''much'' stronger than what a level 3 spell would suggest.
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At 25 power, casting Vapours x2 -> Ignite Poison deals 8d13 damage (avg. 52). For reference, [[Iron Shot]] at 70 power deals 9d7 damage (avg. 32), and [[Plasma Beam]] deals 2d53 (avg. 53). While this combo is poor at turn economy (3 turns to cast), it's good to put things into perspective. Poisonous Vapours has better range, never misses, and ''it's a level 3 spell''. It's a viable combo into [[Vaults]]. If you need to deal with groups, you can pick up [[Olgreb's Toxic Radiance]].
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===Tips & Tricks===
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* Low-XL [[Venom Mages]] may want to use [[Sting]] for the reduced MP cost. Otherwise, Poisonous Vapours is almost a direct upgrade; it's more accurate and has better range. You may want to keep Sting around for the
  
 
==History==
 
==History==
 
*Prior to [[0.27]], Poisonous Vapours would create a short lived [[cloud]], and wouldn't work if there was a cloud already there (including from the spell itself). Also, [[Vehumet]] did not consider this spell "destructive".
 
*Prior to [[0.27]], Poisonous Vapours would create a short lived [[cloud]], and wouldn't work if there was a cloud already there (including from the spell itself). Also, [[Vehumet]] did not consider this spell "destructive".
 
*Poisonous Vapours was added in [[0.20]].
 
*Poisonous Vapours was added in [[0.20]].
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==References==
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<references />

Revision as of 22:45, 19 June 2023

Version 0.30: This article may not be up to date for the latest stable release of Crawl.
Poisonous vapours.png Mercury Vapours
Level 2
School1 Air
School2 Alchemy
Source(s) Book of Vapours
Young Poisoner's Handbook
Casting noise 2
Spell noise 0
Power Cap 50
Range 3
Flags Not self, Target
Briefly transmutes the air around a target into gaseous mercury, poisoning those who breathe it in. Further, the target and adjacent creatures (living or otherwise) may be weakened by mere exposure to the alchemical substance.

Poisonous Vapours is a level 2 Poison/Air spell which causes smite-targeted poison on any vulnerable enemy within line of sight.

Venom Mages start with this spell.

Useful Info

Poisonous Vapours inflicts 1 + pow/15 poison "stacks" on a single monster.[1] Monsters can have up to 4 stacks at a time. It does nothing against foes with poison resistance.

Higher stacks mean more damage per turn, according to the following table:

Poison damage per 1.0 turn (monsters)
# Stacks Damage (avg.) Damage (avg.)
rPois-
1 0-2 (0.75) 1-3 (1.75)
2 0-3 (1) 1-6 (3)
3 0-4 (1.25) 1-9 (4.25)
4 1-6 (2.5) 2-13 (6.5)

When Poisonous Vapours is used against a player, the stack system is not used.

Strategy

Poisonous Vapours is a good spell to pick up, even if you aren't a Venom Mage. It is a level 2, smite-targeted spell, which never misses and deals good damage (for its level). The downside of the spell is that it's poison - damage is done over time, and it does nothing against foes with poison resistance.

With Ignite Poison, Poisonous Vapours jumps from "good" to "excellent". Ignite Poison converts poison into immediate damage, with a bonus multiplier of 200% to 300%. This combination is cheap and extremely strong, much stronger than what a level 3 spell would suggest.

At 25 power, casting Vapours x2 -> Ignite Poison deals 8d13 damage (avg. 52). For reference, Iron Shot at 70 power deals 9d7 damage (avg. 32), and Plasma Beam deals 2d53 (avg. 53). While this combo is poor at turn economy (3 turns to cast), it's good to put things into perspective. Poisonous Vapours has better range, never misses, and it's a level 3 spell. It's a viable combo into Vaults. If you need to deal with groups, you can pick up Olgreb's Toxic Radiance.

Tips & Tricks

  • Low-XL Venom Mages may want to use Sting for the reduced MP cost. Otherwise, Poisonous Vapours is almost a direct upgrade; it's more accurate and has better range. You may want to keep Sting around for the

History

  • Prior to 0.27, Poisonous Vapours would create a short lived cloud, and wouldn't work if there was a cloud already there (including from the spell itself). Also, Vehumet did not consider this spell "destructive".
  • Poisonous Vapours was added in 0.20.

References

  1. ↑ spl-damage.cc:3539 (0.30.0)
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