Anankos vs Omatsuri: who would win?

Omatsuri favored — Slight edge (~55%)

Anankos · Fire Emblem · Anankos

Tier

7-B, up to 4-A

Attack Potency

City Level, up to Multi-Solar System Level

Speed

Massively Hypersonic

Durability

City Level, up to Multi-Solar System Level

Omatsuri · One Piece · Base

Tier

7-B

Attack Potency

City Level

Speed

Relativistic

Durability

City Level

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