Upgrading your Superstars increases their strength, making them more effective in battle and improving their chances of victory.

You can upgrade a Superstar in several ways:

• Train them to increase their Level.

• Equip Gear Pieces to improve their Gear Tier.

• Collect Superstar Shards to increase their Star Rank.

Each upgrade boosts your Superstar's overall stats and Power, helping them perform better across all game modes.