Download Latest version of Castle Crush：Epic Battle Mod APK(v6.6.1)

To upgrade your cards in Castle Crush, go to the card collection screen, select the card you want to upgrade, and use gold coins to improve its level and abilities. Collecting duplicates of the card will also help in the upgrading process.

Gold coins can be earned by winning battles, completing quests, and opening chests. Daily rewards and achievements also provide additional coins, which can be used to upgrade your cards and buy new ones.

Card synergy refers to how well your cards work together. Combining cards with complementary abilities can enhance your strategy and effectiveness in battles. For example, pairing a tanky card with a damage dealer can create a balanced attack.

To increase your trophy count in Castle Crush, focus on winning battles against other players. You can achieve victory by effectively using your cards, maintaining a solid strategy, and learning from your losses to improve your gameplay.

Winning battles requires strategic planning and adaptability. Here are some steps to follow: 1. Build a balanced deck combining offense and defense. 2. Observe your opponent's moves to anticipate their strategy. 3. Use mana wisely to deploy cards at the right time. 4. Focus on targeting enemy towers while protecting your own.