Reinforcement Expansions are a unique consumable item which player can obtain from events, some quests, or purchased from the item shop. It was first introduced back in the [[Summer 2015 Event]] on August 10th, 2015. | Reinforcement Expansions are a unique consumable item which player can obtain from events, some quests, or purchased from the item shop. It was first introduced back in the [[Summer 2015 Event]] on August 10th, 2015. |