You will need 16 hero cards and 10 supporting cards to build your deck. The game begins with 4 random hero cards being placed on the battlefield, along with 2 random support card. Your heroes will fight the enemy cards. Each time a hero reaches 0HP, a new card is drawn from the draw pile until all 16 heroes are destroyed. The winner is the player who has at least one hero card on their battlefield. As a reward, you will be awarded a NOA token. If you’re lucky, you may also receive rare loot like shards for upgrading your cards, exclusive heroes, charms or boosters, and much more.