Summon Vermin
Version 0.17: This article may not be up to date for the latest stable release of Crawl.
Summon Vermin is a monster-only spell which summons a mix of orange rats, spiders and worms:
r 
Hell rat - (40%)
s 
Redback - (25%)
s 
Demonic crawler - (15%)
s 
Tarantella - (10%)
s 
Jumping spider - (10%)
The following enemies may be able to cast Summon Vermin, depending on their spell set:
- &
Pandemonium lord (2.8% chance)
History
Prior to 0.14 it was able to generate rock worms.
Summon Vermin was added in 0.13.
