This is a flowerlike creature with a dark green to gray trunk and a brightly colored interior. It has a smooth front bordered by dozens of fleshy tendrils, and a rougher outer trunk. At the center of the creature’s front is a circular opening that leads into its interior.
Str 24, Dex 10, Con 24, Int —, Wis 12, Cha 2
When provoked, the great sea anemone can eject the contents of its stomach, including any creatures being digested. This forms a cloud of acidic mucous in a 20-foot radius that deals 3d8 points of acid damage (DC 23 Reflex, half) for 1d3 rounds before dissipating. It can only do this once per minute. The save DC is Constitution-based.
As a move action, the great sea anemone can retract its vulnerable front and tendrils into its trunk. While in this curl it cannot attack with its tendrils, though it can eject its acid cloud and gains a +15 natural armor bonus to AC from the thick, rubbery hide of its trunk.