Eringya's Noxious Bog

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Version 0.28: This article may not be up to date for the latest stable release of Crawl.
Eringya's noxious bog.png Eringya's Noxious Bog
Level 6
School1 Alchemy
Source(s) Fen Folio
Great Wizards, Vol. II
Casting noise 6
Spell noise 0
Power Cap 200
Range 4
Flags Area, No ghost
Causes the caster to release a torrent of sludge that transforms nearby areas into a toxic bog. The sludge damages and poisons all monsters, even those resistant to poison. The bog cannot form on areas adjacent to multiple solid features, nor on areas that lack solid floor, like deep water or lava. The transformation is temporary and cannot be sustained out of the caster's sight. Spellpower will increase how long the bog lingers.

Eringya's Noxious Bog is a Level 6 Poison Magic/Transmutations spell that temporarily converts tiles on and around the user into toxic sludge; this affects all empty floor tiles within range, but will not convert tiles next to more than one solid feature (like walls, trees, or statues). It also cannot affect tiles that lack solid ground, such as deep water or lava; it will, however, cover non-solid features such as stairs, escape hatches, shops, and traps.

The sludge acts similarly to shallow water, but also deals damage to and poisons anything swimming or wading through it. Poison-resistant or -immune creatures will still take damage, but to a lesser degree. The caster, as well as creatures that fly over the bog, are unaffected.

Casting Ignite Poison will create short-lived flame clouds above some bog tiles (1 in 3 chance). These in turn will create clouds of steam.

Strategy

Eringya's Noxious Bog is of no use in areas without a large, open space, nor is it effective when used above deep water or lava.

Even though you are immune to the bog's damaging effects, you still are penalized by the shallow water it creates unless you can fly or swim through it. The movement delay is especially important, though if surrounding monsters can't fly or swim, they'll likely move as slowly as you.

Ignite Poison combos incredibly well with Eringya's Noxious Bog -- pretty much anything standing in the bog will take heavy fire damage, then immediately be significantly poisoned again should they survive. Only creatures immune to poison and resistant to fire can survive such an onslaught for long.

As the bog will cover traps, you can use this spell to prevent enemies from stepping on unfortunately-placed traps. However, you won't be able to use it to bypass traps in narrow corridors (such as the entrance to Zot:5's orb chamber).

Trivia

This spell refers to a mage called Eringya; it is the first reference to them in-game since the removal of the spell Eringya's Surprising Bouquet and the now-reintroduced wizlab level Eringya's Formal Garden.

History

  • Prior to 0.28, this spell did not place a bog under the caster, as they were not immune. It also did not place a bog in tiles next to any solid features.
  • Prior to 0.26, this spell would cause the caster to leave toxic bog tiles behind them as they traveled. Additionally, Ignite Poison always created flame clouds over bog tiles and for a much greater duration.
  • Eringya's Noxious Bog was added in 0.25.