Slab-bearer
Journey in the Dark Nightmare#2 (x2)
Enemy
(32) 4 5 3 4
Troll.  
Cannot have attachments.

Forced: When Slab-bearer is destroyed, discard the top card of the encounter deck. If the discarded card is an enemy, add it to the staging area.

...they bore great slabs of stone, and flung them down to serve as gangways over the fire.
-The Fellowship of the Ring