Glibness

Transmutation
Level: Assassin 4, Bard 3
Components: S
Casting Time: 1 standard action
Range: Personal
Target: You
Duration: 10 min./level (D)
Spell Points Assassin 7, Bard 5

Your speech becomes fluent and more believable.

You gain a bonus on Bluff checks equal to 10 + your caster level.

Augment: If you spend 4 additional spell points, the spell’s duration changes to 1 day.