Rumi Usagiyama vs Tren Krom: who would win?

Rumi Usagiyama favored — Slight edge (~55%)

Rumi Usagiyama · My Hero Academia · Mirko

Tier

HIGH 6-A

Attack Potency

Multi-Continent Level

Speed

Relativistic+

Durability

Large Country Level, up to Multi-Continent Level

Tren Krom · Bionicle · Matoran Universe

Tier

HIGH 6-A

Attack Potency

Multi-Continent Level

Speed

Massively Hypersonic+, up to Relativistic

Durability

Unknown

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