Karthus needs changes
I would like to see changes to Karthus because I think he could use it. From what I see, Karthus is more of a late game champion and I think these changes would be nice to him.
Q - Lay Waste Cost: 15/35/45/55/70 Mana get rid of his 0.5 delay and remove the double damage on isolated targets while buffing his damage so he does more late game.
MAGIC DAMAGE: 20 / 40 / 60 / 80 / 120 (+ 30% AP)
W - Wall of Pain COST: 100 Mana Enemies who pass this wall have their movement speed Slow (35/55/65/75/80%) reduced by a large amount and their magic resistance reduced by 15% for 3 seconds. Movement Speed recovers gradually after 3.5 seconds.
WALL LENGTH: 650/800/900/1100/1200
E - Defile COST: 25/35/45/65/80 MANA PER SECOND
Toggle On: When Karthus kills an unit, he recovers mana (MANA RESTORED: 25/ 30 / 35 / 45/ 50) Toggle Off: Karthus surrounds himself with the souls of his victims, draining his mana to deal magic damage (MAGIC DAMAGE: 25 / 45/65/ 85/105 (+ 30% AP) to enemies in range each second.
R - Requiem Range: Global Cooldown: 160/140/120 After channeling for 3 seconds, Karthus blasts all enemy champions on the map and deals magic damage (250/300/400 (+ 70% AP)
