- Red Crystals are used to Evolve Heroes.
Blue crystals are obtained through Crystal Mines, Battle Altars, and through Blue Crystal packs, which are randomly awarded by treasure chests.
Blue Crystal Mines can be leveled, and their generation rate and storage are raised at each level, the maximum level for a crystal mine is the same as your lost realm level.
- Blue Crystals are used on Hero Inscriptions.
Crystal Mine Tiers
|Level||1||2||3||4||5||6||7 and more|