Production: Monetary purchase bonus of Hot Packs
Where to use: Union > Contribution > Use Items/Use Advance Items
Production: Events, monetary purchase bonus
Where to use: Backpack > Tap on item > Use
Union War Coupons
Production: Diamond/grain registration reward for union war. Also knock-out stage rewards.
Where to use: During predict period in union war, use them to predict the rankings/placement in union war battles, and gain Union Store tokens.
Union War Scrolls
Production: Union War Store, monetary purchase bonus
Where to use: During union war registration: tap on vizier icon and add a scroll