Ariu Mikaboshi vs Ice King (Fortnite): who would win?

Ariu Mikaboshi favored — Favored (~65%)

Ariu Mikaboshi · Kagurabachi · Base

Tier
7-B
Attack Potency
City Level
Speed
Massively Hypersonic, up to Sub-Relativistic
Durability
City Block Level, up to City Level

Ice King (Fortnite) · Fortnite · Base

Tier
7-B
Attack Potency
City Level
Speed
Average Human, up to Supersonic+
Durability
Small Building Level, up to Large Building Level

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