P / Cursed Touch
Amumu's basic attacks Curse his enemies, causing them to take bonus true damage from incoming magic damage.

the Witch Between Worlds
From the moment she was born, Aurora navigated life with a unique ability to move between the spirit and material realms. Determined to learn more about the spirit realm's inhabitants, she left her home to further her research and happened upon a...
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Amumu's basic attacks Curse his enemies, causing them to take bonus true damage from incoming magic damage.
Amumu tosses a sticky bandage at a target, stunning and damaging the target while he pulls himself to them.
Overcome by anguish, nearby enemies lose a percentage of their maximum Health each second and have their Curses refreshed.
Permanently reduces the physical damage Amumu would take. Amumu can unleash his rage, dealing damage to surrounding enemies. Each time Amumu is hit, the cooldown on Tantrum is reduced.
Amumu entangles surrounding enemy units in bandages, applying his Curse, damaging and stunning them.
Ability references are available for every opponent. Matchup advice covers 0 pairings; the rest are unrated.