The forgefiend retaliating after every single instance of damage with a 40+ damage plasma blast is insane to spring on unsuspecting players. This is in the second solar system after leaving Footfall. He retaliates an unlimited number of times per turn and he even retaliates multiple times against the same person if their ability strikes more than once as part of an attack.

On the other hand, the game could use more difficult encounters, and I still killed him within the first turn anyway, so whatever.