Mutagen is a rare type of resource represented by a flask containing red liquid. It's sole purpose is for evolving heroes.
Mutagen can be obtained from:
- Purchasing from Shop with Jewels
- Reward chests in Battle Royale, Guild Clash and Lords League
- Rewards and purchases made during daily Events.
- Landing on the mutagen prizes of 50, 100 and 1000 in the Daily Dice Roll .
Mutagen is solely spent on evolving heroes.