Kill Raider Leader Barukan.
Step 1. Kill 'BarukanA Beritra's Fang officer who led the forces that infiltrated the Void Cube. He is known as both Enraged Barukan and Furious Barukan. (x1).
Step 2. Talk with RescoA Guardian at Silona Fortress when the Elyos control it. She has a superior attitude and doesn't like Atika much..