Dragonthrall

(Draconomicon, page 105, DnD 3.5)

[General]

You have pledged your life to the service of evil dragonkind.

Prerequisite

Speak Language (Draconic)

Benefit

You gain a +4 bonus on any Bluff check made against a dragon, and a +2 bonus on Ride checks made when you are mounted on a dragon. You gain a +4 bonus on saves against the frightful presence of evil dragons. You take a --2 penalty on saves against enchantment spells and effects cast by dragons.

Special

You can't select this feat if you have already taken the Dragonfriend feat.