Battle of Dathomir/Legends

The Battle of Dathomir took place around 21 BBY during the Clone Wars. Count Dooku, seeing revenge for his betrayal at the hands of his former apprentice, Asajj Ventress, and Mother Talzin of the Nightsisters of Dathomir, ordered General Grievous to lead the Separatist Droid Army in an assault on Dathomir aimed at wiping out the Nightsisters.