| | | | | |
| Passive | Death Defied | | | | Upon dying, Karthus enters a spirit form that allows him to continue casting spells while dead for 7 seconds. |
| Q | Lay Waste | 875.0 | 20 / 26 / 32 / 38 / 44 Mana | 1 / 1 / 1 / 1 / 1 | Creates a delayed blast at Karthus' cursor position. After 0.5 seconds, deals 40/60/80/100/120 (+0.3) magic damage to each nearby enemy, this deals double damage if it hits only a single unit. |
| W | Wall of Pain | | 100 / 100 / 100 / 100 / 100 Mana | 18 / 18 / 18 / 18 / 18 | Creates a wall at target location that lasts for 5/5/5/5/5 seconds. Enemies that pass through the wall have their Magic Resist reduced by 15/15/15/15/15% and Movement Speed reduced by 40/50/60/70/80% for 5/5/5/5/5 seconds (their Movement Speed gradually recovers over the duration). |
| E | Defile | 550.0 | 30 / 42 / 54 / 66 / 78 Mana Per Second | 0.5 / 0.5 / 0.5 / 0.5 / 0.5 | Toggle Off: When Karthus kills a unit, he restores 20/27/34/41/48 Mana.
Toggle On: Drains 30.0/42.0/54.0/66.0/78.0 Mana to deal 30/50/70/90/110 (+0.2) magic damage to nearby enemies each second. |
| R | Requiem | | 150 / 175 / 200 Mana | 200 / 180 / 160 | After channeling for 3 seconds, Karthus deals 250/400/550 (+0.6) magic damage to all enemy champions (regardless of distance). |
