Nunu & Willump Ability (LoL): Visionary

After 5 basic attacks or upon recalling or respawning, Nunu's next spell has no mana cost and is upgraded by 1 rank.

Consume Rank 6: 1140 damage and 300 healing
Blood Boil Rank 6: 13% movement speed and 50% attack speed
Ice Blast Rank 6: 80 damage and 65% movement speed slow
Absolute Zero Rank 4: 1375 maximum damage