This spell poison creature, damage depends on caster level, successful save vs. poison negates spell effects.
In-game description Edit
Through this spell, the caster can poison victims who fail their Saving Throw vs. Poison. The damage inflicted depends on the level of the caster as detailed below:
7–9th level: 2d8 + 2/round
10–12th level: 3d8 + 3/round
13–14th level: 4d8 + 4/round
15–16th level: 6d8 + 5/round
17+ level: 8d8 + 6/round
Those who make their Saving Throws are unaffected.