Unshakeable Will - Foil Tweet Out of stock. Wishlist Details Artist: Tatsiana Maksimuk Aspects: Vigilance Card Name: Unshakeable Will Card Number: 071/257 Card Text: Attached unit gains Sentinel. (Units in this arena can't attack your non-Sentinel units or your base.) Card Type: Upgrade Cost: 4 Finish: Foil Health: 2 Power: 2 Rarity: U Set Name: Twilight of the Republic Traits: Innate