Eagle's splendor

Eagle's splendor is a Transmutation spell that makes the subject more charismatic.

Effect
The transmuted creature becomes more poised, articulate, and personally forceful. Sorcerers and bards who receive eagle's splendor do not gain extra spells, but their existing spells are harder to resist.

Arcane material component
A few feathers or a pinch of dung from an eagle.