Summary: Thrall ability can sometimes make enthralled enemies invincible, and without the usual marker that shows their enthralled Something strange is happening with Revenant's Thrall ability. A couple weeks ago I played Revenant in a mission (I believe it was an Arbitration) with a friend. My friend started saying that he couldn't hurt some enemies. He showed me the enemy, and it was my thrall. I then proceeded to kill it, which was apparently possible for me but not for him. He could nei