Active:Rammus tucks into a ball and begins to roll, channeling for up to 6 seconds, gaining 25% − 39.17% (based on level)bonus movement speed per second over the duration, up to a maximum of 150% − 235% (based on level)bonus movement speed.
Rammus stops rolling upon colliding with an enemy, knocking back all nearby enemies 100 units over 0.75 seconds, dealing them magic damage, and slowing them for 1 second.
100 / 135 / 170 / 205 / 240 (+ 100% AP)
40 / 50 / 60 / 70 / 80%
Powerball will still hit nearby enemies (including minions) if Rammus is ghosted.
Powerball will trigger Mana Charge twice (upon activation and when ending it prematurely).
Active:Rammus drops into a defensive stance for 6 seconds, gaining bonus armor and bonus magic resistance, increasing Spiked Shell's damage by 50%, and applying it to enemies whenever they use basic attacks against him. Rammus is slowed by 30% for the duration.