For the emotions and dead level rising, that should continue to work as normal, no issues with the current powerset.

For the influencer traits, undoing brainwashing is totally fine although depending on the degree and source of such brainwashing it may or may not work well. The bite will work on basic "regular human" NPCs, but cannot work on any PC or NPC unless they are willing to accept it, if they're resistant then they are considered strong enough to shrug off the effect.

The necrotic hand can be healed or left normal at your discretion!