Unyielding Adversary: Yes only in combat, but its well worth it for leveling/pvp

Claim the Unfettered: Think you have to be chaotic? If an invoker is sanced and shielded with stone skin, You can grab the sanc and stone skin. His invoker shileds you cant have etc (class specific)

Cursebringer and Sightbinder have racial requirements (could be wis based) and I believe you need 90% in each ability.