Anatharaxis

Anatharaxis — one of ten dracoliches inhabiting the extensive Barrowmaze, and perhaps the weakest of those ten. Anatharaxis was only age 90 when turned into a dracolich by members of the Cult of the Dragon.

Anatharaxis had (she was slain by the Phandalin Four — well, specifically, by Lanky) the following stat block:

HP: 228
AC: -2
THAC0: 11
MR: 40%
DR: 10/-
REGEN: 5
ATT: 3 claw x 2/bite
CLAW: 1d8+10
BITE: 2d8+10
BREATH: chain lightning 8d6