Weavno uses their hypnotic pendulum to subdue large groups of travelers and pilfer anything interesting it finds from them. Other Weavno even hypnotize their own just to hijack their attempted thievery for themselves.
The arcing movement and glitter of the pendulum in a Weavno's hand lull the foe into deep hypnosis. They live in cold regions, forming groups of four or five that hunt prey with impressive coordination.