How to Complete Wanted: The Mirage Bunny

The objective is to defeat the Mirage Bunny. There are other foes as well: Fire Drake, Headless, Red Marshmallow, Thunder Drake, and Yellow Jelly. You can ignore those enemies and focus your attacks on the bunny if you prefer. The bunny can inflict Charm on your units. You can throw a Knot of Rust at a Charmed unit to remove the Charm status.