1. Choose 10 different Heroes and 1 Spell. Conquer the Arid Ruins alongside a teammate. 2. An Arid Ruins battle consists of 5 stages, and each stage has a fixed number of enemies and buildings at 3 random locations. Coordinate with your team to kill all enemies and buildings within the time limit. 3. Arid Ruins is available all day, without a daily limit. 1. After each round, you will win one chest: either an Elite Chest (up to 5 a day) or a Normal Chest. Only Normal Chests will drop if you reach the daily obtainable limit for Elite Chests. Clear more stages in each round to get better rewards from your chests. 2. Elite Chests contain 6 cards. Flip the cards for chances to win Soulstones and Karmic Rocks. The daily obtainable limit for Elite Chests resets at 00:00 every day. 3. Normal Chests contain Tomes of various grades. There is no daily obtainable limit for Normal Chests. 4. Non-item rewards are awarded automatically. Item rewards are sent your mailbox.