Summon monster IX is a conjuration spell that calls (an) outsider(s) to fight for the caster.
This spell functions the same as summon monster I, except the caster can summon one very powerful creature, one or more creatures of slightly lesser power, or more creatures of lesser power still.
- ↑ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 Jonathan Tweet, Monte Cook, Skip Williams (July 2003). Player's Handbook 3.5 edition. (Wizards of the Coast), p. 288. ISBN 0-7869-2886-7.