Cleon
Legend
So most of the time it's a humanoid looking creature that blasts out sleep-dust, but a dispel magic or electrical attack turns it into a cloud of dust that flies about.
Rather than rejuvenation I'm thinking of giving it regeneration which can be overcome by electricity damage, since it seems to have a weakness to lightning.
Rather than rejuvenation I'm thinking of giving it regeneration which can be overcome by electricity damage, since it seems to have a weakness to lightning.