Destroy the enemy team's ball before they can destroy your team's ball.
Being closer to your team's ball than your opponent's grants you a 25% damage taken reduction and you heal for 5 hp/s.
Ability Cooldown Time: 75%
Ultimate Generation: 150%
Ultimate Charge lasts through rounds on the same hero. So if you didn't get enough ultimate charge last round to use your precious ultimate, you have the same amount of ultimate charge that you ended the last round with.