- Main article: Rank
Each Chest may contain one of the following:
|40%||Gold Knight Soul Shard|
|30%||Warrior Ranger Soul Shard|
|20%||Legendary Mage Soul Shard|
|10%||Explosive Expert Soul Shard|
Hero Upgrade Chests can be gained from the Daily Check (the only dependable way, two each month), and from the Poseidon, Battle of Kings and some events, especially Choosing Events and Camp Power Struggle with greater numbers. It also has 1% chance of getting it from Blitz Acres level 70 onwards.