TftYP: Ooze Escapes in the Doomvault (d6)

If the wights are engaged in combat in the Spawn Vats area, roll a d6 at the end of every round. If the resulting ooze is still in a vat, it escapes and tries to attack the nearest creatures.

Citation

Tales from the Yawning Portal Chapter 5: Dead in Thay

d6 Ooze

1-2

Black pudding

3

Gray ooze

4-6

Ochre jelly