Nova

Launches a projectile at the rearmost enemy lines, causing 643,143 (depends on attack) damage and stunning the affected targets for 4 seconds.

Available if your team has at least 3 Water Titans on the battlefield. Heals allied Titans and deals damage to nearby enemies for 10 seconds. Each activation splits the restored health between any Titans in need of healing. Damage and total health regen with each activation: 595,687.5.