Crystals and Crystal Shards are required for summoning heroes. Opening crystals you will get enough Herostores that to summon a hero or, if you already have them in your roster, to upgrade their Star level.
Rare Crystal
Rare Crystal is used to summon rare and epic heroes. You will get a guaranteed Epic Hero on every 10th roll.
You can get a Rare Crystal in such game activities as Tournaments, Events, Campaigns.
Rare Crystal is used to summon rare and epic heroes. You will get a guaranteed Epic Hero on every 10th roll.
You can get a Rare Crystal in such game activities as Tournaments, Events, Campaigns.
Rare Crystal Shards
Rare Crystal Shards are scattered around the game. You can find Rare Crystal Shards in such game activities as Tournaments, Campaigns, Events and Achievements.
After collecting 100 shards, you will receive a full-fledged crystal for summoning heroes.
Epic Crystal

Epic Crystal
Opening an Epic Crystal summons an Epic or even a Legendary hero. You can geta guaranteed Legendary hero on every10th roll.
You can get a rare crystal in such game activities as Campaigns, Battle Pass, Events and for completing all daily tasks 7 times.
You can get a rare crystal in such game activities as Campaigns, Battle Pass, Events and for completing all daily tasks 7 times.
Epic Crystal Shards
Crystal shards are scattered around the game. You can find rare crystal shards in such game activities as Events, Battle Pass and Achievements, as well as for completing your Daily Quests 7 times. You can also buy shards of this crystal in the Stars Shop Star Amethyst in-game currency.
Legendary Crystal
With a Legendary Crystal you can summon Legendary Heroes to your roster. It can be opened by collecting 100 Legendary Crystal Shards, or can be purchased.
With a Legendary Crystal you can summon Legendary Heroes to your roster. It can be opened by collecting 100 Legendary Crystal Shards, or can be purchased.
Legendary Crystal Shards
You can get a Legendary crystal and Legendary Crystal Shards in game activities such as Battle Pass and Events, as well as for completing your Daily Quests 30 times. After collecting 100 fragments, you will receive a full-fledged crystal for summoning heroes.
