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| Passive | Spiked Shell | | | | Rammus gains additional damage as his shell becomes reinforced, converting 25% of his armor into Attack Damage. |
| Q | Powerball | | 70 / 80 / 90 / 100 / 110 Mana | 10 / 10 / 10 / 10 / 10 | Rammus accelerates in a ball over 7/7/7/7/7 seconds towards his enemies, dealing 100/150/200/250/300 (+1) magic damage to nearby enemies on impact, knocking them back, and slowing them by 20/25/30/35/40% for 3/3/3/3/3 seconds.
Activating Defensive Ball Curl will remove this effect. |
| W | Defensive Ball Curl | | 40 / 40 / 40 / 40 / 40 Mana | 14 / 14 / 14 / 14 / 14 | Rammus goes into a defensive formation for 6/6/6/6/6 seconds, increasing his Armor and Magic Resist by 40/60/80/100/120 and returning 15/25/35/45/55 (+) magic damage to attackers.
This ability gains damage equal to 10/10/10/10/10% of Armor.
Activating Powerball will remove this effect. |
| E | Puncturing Taunt | | 50 / 50 / 50 / 50 / 50 Mana | 12 / 12 / 12 / 12 / 12 | Rammus taunts the enemy champion or monster into a reckless assault, reducing their Armor by 10/15/20/25/30 and forcing them to attack Rammus for 1.25/1.5/1.75/2/2.25 second(s). |
| R | Tremors | | 100 / 100 / 100 Mana | 60 / 60 / 60 | Rammus creates tremors beneath him, dealing 65/130/195 (+0.3) magic damage every second to nearby units and structures for 8/8/8 seconds. |