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Version 0.30: This article is up to date for the latest stable release of Dungeon Crawl Stone Soup.
Arcjolt.png Arcjolt
Level 5
School1 Air
School2 Conjuration
Source(s) Book of Lightning
Maxwell's Memoranda
Casting noise 5
Spell noise 10
Power Cap 200
Flags Dir or target, Not self
Blasts electricity through everything connected to the caster within sight, either by adjacency or via a chain of other creatures. The damage dealt bypasses half of defenders' armour.
Spell Details
Damage Formula 1d(10+power/2)
Max Damage 1d110
Max Power 200
Range LOS
Targeting Special
To-hit Never misses
Special Ignores 1/2 AC

Arcjolt is a level 5 Air Magic/Conjurations spell which hits every creature that is contiguous to the caster.

Useful Info

Hits all monsters (friendly or not) adjacent to you or another target, up to LOS. This spell deals full damage, regardless of how far a target is or how many targets are hit. As a spell dealing BEAM_ELEC damage, it also ignores half of any target's AC.

Arcjolt can be conducted through allies protected from friendly fire (such as the Hepliaklqana ancestor or plants under Fedhas). The spell does no damage to them, but Arcjolt will hit monsters next to them.


Arcjolt can hit huge packs of packed enemies. Remember that you're in melee range; don't get too greedy with your arcs.


  • In 0.31, Arcjolt will be able to chain to all monsters within 2 tiles of the caster/another target, but will be no longer able to chain through allies protected from friendly fire.
  • Arcjolt was added in 0.30.
  • During its initial implementation, Arcjolt would conduct through metal walls with infinite range. In levels with metal walls, you could use Arcjolt to hit things from the other side of the floor.