How to upgrade heroes?

Upgrading your heroes is easy and fun! Here’s what you need:

Cards: You can earn cards by winning levels. You’ll need a certain number of cards to upgrade each hero.

Potions: You’ll also collect potions as you play. Once you have enough cards, use the potions to give your hero a magical upgrade!

Upgrading makes your heroes much stronger and even more helpful. Keep playing, and enjoy seeing your heroes power up!