Giant Swamp Adder
The Nîn-in-Eilph#104 (x4/x3)
Enemy
(35) 3 3 3 6

Cannot have attachments.

Forced: After any number of time counters are removed from the current quest, Giant Swamp Adder attacks the engaged player.

There were also abominable creatures haunting the reeds and tussocks... –The Fellowship of the Ring