Originally Posted by
Bean
Yes, I think that's exactly how it works, and I would say the same goes for Thrawn. The unit uses its one psychic power as per the BoP rule to activate the Force Weapon, Mordrak gets his power from his Mastery level, and that can be Hammerhand. Mordrak's force weapon is activated because the unit's activation power affects the whole unit, including Mordrak (as he is not an IC).
So, actually, I guess I don't agree with Duo on all points: I think Thrawn gets two powers and the BoP portion of the unit gets one.