
Passive
Darkness Rise
Mordekaiser gains a powerful damage aura and Move Speed after landing 3 attacks or spells against champions or monsters.

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Riot Data Dragon 16.20.1. Base values before items, runes and bonuses; independent of match-data filters.
Base-game reference only. Mode-specific balance changes and augments are not included.
Official short descriptions · Data Dragon 16.20.1
Base-game reference only. Item, rune and mode-specific adjustments are not included.
This reference covers the passive and four ability slots. Alternate forms and full damage calculations are not covered.

Passive
Mordekaiser gains a powerful damage aura and Move Speed after landing 3 attacks or spells against champions or monsters.

Q
Mordekaiser smashes the ground with his mace dealing damage to each enemy struck. Damage is increased when hitting a single enemy.
Base values from ability rank 1 upward.

W
Mordekaiser stores damage he deals and takes to create a shield. He may consume the shield to heal.
Base values from ability rank 1 upward.

E
Mordekaiser pulls all enemies in an area.
Base values from ability rank 1 upward.

R
Mordekaiser drags his victim to a different dimension with him and steals a portion of their stats. If he kills them, he keeps the stats until the victim respawns.
Base values from ability rank 1 upward.