The Unity warp NPC requires the Boarding permit or you will not be offered the warp.
Starts the fight at 50% HP and center head. Will regain 25% HP twice as the fight goes on.
Uses the "1 Hour" Animation in two situations. First after both heads are recovered, and again any time an Active Shield (Pyric/Polar) Wears off. The Animation appears to simply be a visual signal for his already known mechanics, and does not power him up in any noticeable way.
Has access all Hydra family skills including Nerve Gas (wide aoe Curse/Poison)