Alistar vs Manas: who would win?

Manas favored — Slight edge (~55%)

Alistar · League of Legends · Infernal

Tier

7-A

Attack Potency

Mountain Level

Speed

Hypersonic+

Durability

Mountain Level

Manas · Bionicle · Base

Tier

7-A

Attack Potency

Mountain Level

Speed

Massively Hypersonic+, up to Relativistic

Durability

Mountain Level

A heuristic estimate from normalized VS Battles Wiki stats: tier, attack potency, speed and durability.