P Spiked Shell Rammus gains additional damage as his shell becomes reinforced, converting 25% of his armor into Attack Damage.
Q Powerball Cooldown: 10 Cost: 70/80/90/100/110 Range: 300 Rammus accelerates in a ball towards his enemies, dealing damage and slowing targets affected by the impact.
W Defensive Ball Curl Cooldown: 14 Cost: 40 Range: 300 Rammus goes into a defensive formation, vastly increasing his armor and magic resistance, while returning damage to attacks.
E Puncturing Taunt Cooldown: 12 Cost: 50/60/70/80/90 Range: 325 Rammus taunts an enemy champion or monster into a reckless assault against Rammus' hard shell, reducing Armor temporarily.
R Tremors Cooldown: 60 Cost: 120 Rammus creates waves of destruction pulsing through the ground, causing damage to units and structures near him.