An ooze, and so not subject to critical hits, flanking, precision damage, or mind-affecting affects. It regenerates, and this can only be overcome by fire or acid. Piercing or slashing damage makes it immediately regenerate and gain a Growth Point. If it accumulates enough Growth Points, it doubles in size.
The party fought one in Chapter Eleven, coming through the front door of Briarstone Asylum. Its slime stuck to both Grip and Gull when they took damage from it, and it attempted to grab onto Gull, but he was able to repel the attack.
First Reference: Chapter 11
Other Notable References: —