Karthus creates a blast of magic, dealing {{ qdamage }} magic damage. If the blast hits only one enemy, it instead deals {{ qsingletargetdamage }} magic damage.{{ spellmodifierdescriptionappend }}
Karthus creates a wall that lasts for {{ e4 }} seconds. Enemies that pass through lose {{ e1 }}% Magic Resist for {{ e5 }} seconds and are Slowed by {{ e3 }}% decaying over the duration.{{ spellmodifierdescriptionappend }}
Passive: When Karthus kills a unit, he restores {{ e2 }} Mana.Toggle: Karthus creates a necrotic aura, dealing {{ totaldps }} magic damage per second to nearby enemies.{{ spellmodifierdescriptionappend }}
Karthus channels for 3 seconds, then deals {{ totaldamage }} magic damage to enemy champions, regardless of distance.{{ spellmodifierdescriptionappend }}