Iskenderun's Mystic Blast

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Version 0.17: This article may not be up to date for the latest stable release of Crawl.
Iskenderun's mystic blast.png Iskenderun's Mystic Blast
Level 4
School1 Conjuration
Casting noise 4
Spell noise 4 (10 if there is a explosion)
This spell throws a crackling sphere of destructive energy. The sphere will sometimes explode on impact, and the chance of it doing so is higher if the sphere has traveled less distance.
Spell Details
Damage Formula 2d(6+Power/6)
Max Damage 2d23
Max Power 100
Range 7
Targeting Beam
To-hit 10+Power/7
Special May explode when it hits an enemy

Iskenderun's Mystic Blast (or IMB) is a level 4 Conjurations spell which strikes a single opponent with destructive energy, dealing moderate physical damage. It has good accuracy and excellent range, and there is a chance that the blast will explode upon striking its target, damaging nearby enemies in a starburst pattern as shown below:


The chance of this explosion occurring falls the farther away the target is from the caster:

Chance of explosion = 3/(2*(distance traveled)+2)

For examples, if the target is next to the caster, IMB have a chance of 3/4 to explode, and if the target is at a distance of 7 (the max range), the chance falls to 1/6.

Regardless of position, this explosion cannot injure the caster.


IMB is an excellent jack-of-all-trades combat spell. It is fairly cheap to cast, requires only a single skill to train, and can effectively damage any target regardless of resistances. Its explosion effect isn't reliable enough to make it a competitive area-of-effect spell, but all the same, it is still an admirable attack spell for the early- and mid-game (eg, frost giants, Ilsiuw). It suffers against durable, high AC opponents in the late game, however, but hopefully you'll gain access to Orb of Destruction or some high-level elemental spell long before you reach that point.


Prior to 0.11, IMB dealt more damage, but was unable to explode.