Boyd, Peter and others in “Unfinished Business”

Cut off the head of the snake, and the body dies.

Peter

Only this isn't a snake, it's a Hydra. And, like Scott said, they're all Alphas.

Derek

Deucalion's still the leader.

Peter

Let's hope so, because, do you remember what happened when Hercules cut off of the the heads of the Hydra?

Scott

[sighs] ...Two more grew back in its place.

Peter

[smirks] Somebody's been doing their summer reading!