How to Complete Wanted: Big Eyes

The objective is to defeat all foes. The foes are three Bloody Orbs and two Plagues. These enemies can inflict Charm and Confuse, so equip Ribbons on units if you have any. You can throw Knot of Rust items at Charmed and Confused units to remove the status ailment without inflicting much damage. There is a chance that these enemies will Petrify your units, so buy some Gold Needles at a shop if you don't have any, and use Gold Needles to cure Petrified units.