Use in battle to reduce the enemy's attack power for a period of time. Also known as Seals away power. Tips about the blueprint can be obtained from Trimble. He is at Vedan: Myna / Near Weapon Shop. He is inside Kayo's shop. Once manufactured this item will be on sale at Slyman, Hanbarney, Modant shops. The earliest time you can develop this item is by chapter 6.