Vulnerability

Oriental Adventures (OA)Updated Oriental Adventures (3.0)

Vulnerability is a D&D 3.5 spell (Transmutation) from OA. On class lists for Shaman (Level 6). Range or area: Touch; Saving throw: Will negates; Duration: 1 round/level; Casting time: 1 standard action.

School
Transmutation
Casting Time
1 standard action
Components
V, S
Range
Touch
Target
One creature
Duration
1 round/level
Saving Throw
Will negates
Spell Resistance
Yes

This spell lowers the subject’s damage reduction value by 5/+1.
Thus, if you successfully cast vulnerability on a dragon with damage reduction 15/+2, its damage reduction becomes 10/+1.
For every three caster levels beyond 11th, the damage reduction decreases by an additional 5/+1: 10/+2 at 14th, 15/+3 at 17th, and 20/+4 at 20th.