Malygris

Malygris was a powerful dracolich on Toril.

Description
He was originally a very old Blue dragon that lived in Anauroch.

History
Malygris was previously a servant of the Cult of the Dragon, but later served Telamont Tanthul, the ruler of Thultanthar.

Malygris killed Sussethilasis, the suzerain of approximately 20 blue dragons that resided within the borders of the Great Sand Sea, after becoming a dracolich.