Problem with Ekko's Ultimate.
Ekko's Ulti: -Cooldown: 110/90/70 -Magic Damage: 200 / 350 / 500 (+ 130% AP) -AoE dmg -Heals 100 / 150 / 200 (+ 20 / 25 / 30) (+ 3.33% per 100 AP) of damage taken).
Veigar's ulti: -Cooldown: 120/100/80 -Magic Damage: 250 / 375 / 500 (+ 100% AP) -Single target dmg -Deals 80% of the target's ability power
Which one is better? 