Indescribable, Awful Horror
A pulsating, malodorous, greenish-yellow mass of glistening, slippery flesh that rears upwards on stunted, rubbery legs as you approach. A mass of thick tentacles - some tipped with eyes, and some with spikes and bone - reach out towards you with a demonic hunger.
9th Level Large Wrecker [abberation]
Init: +4, HP: 360
Tentacle Slam: +14 vs AC, 80 damage. (2 attacks per round)
Natural Even Hit: The Horror can grab the target.
Natural 18-20: The Horror grabs the target and makes a Grasping Grope attack as a free action.
Grasping Grope: +18 vs AC, 35 damage.
Writhing Tentacles: The Horror can grab up to 1d3 adventurers at a time - roll this check at beginning of combat to reflect how many tentacle-weapons it has.