Summon Mana Viper

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Version 0.23: This article may not be up to date for the latest stable release of Crawl.
Summon mana viper.png Summon Mana Viper
Level 5
School1 Hexes
School2 Summoning
Source(s) Book of Beasts
Book of Summonings
Casting noise 4
Spell noise 0
Power Cap 100
Summons Limit 2
Summons a violet-scaled serpent whose bite can swiftly drain the magical reserves of nearly any foe. At higher power, the antimagic properties of the viper's bite grow even stronger.

Summon Mana Viper is a level 5 Hexes/Summoning spell which summons a single mana viper.


A mana viper is summoned. Higher spell power increases the strength of the creature.

The hit dice of the mana viper is 5 + <power> / 12, randomly rounded. In this case hit points are not increased based on the hit dice.[1]

Duration of the summon is around 18 turns, it does not depend on the spell power.


This is a fast and moderately durable creature with a decent melee attack, but it shines when used against enemy casters. Its bite is antimagic branded, giving its victim a significant chance of failing any spells they attempt to cast.

Monster Version

Creates multiple mana vipers based on the spell power, their hit dice is not adjusted. Duration is the same as in the player version.

The following enemies may be able to cast Summon Mana Viper, depending on their spell set:


Summon Mana Viper was added in 0.14.