Brachyurus vs Chrom: who would win?

Brachyurus favored — Slight edge (~55%)

Brachyurus · Dungeons & Dragons · Base

Tier

6-C

Attack Potency

Island Level+

Speed

Ftl, up to Ftl+

Durability

Island Level+

Chrom · Fire Emblem · After the Awakening Ritual

Tier

HIGH 6-C, up to 4-A

Attack Potency

Large Island Level, up to Multi-Solar System Level

Speed

Massively Hypersonic

Durability

Large Island Level, up to Multi-Solar System Level

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