Chrom vs Viktor (League of Legends): who would win?

Chrom favored — Slight edge (~55%)

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

Viktor (League of Legends) · League of Legends · Creator Viktor

Tier

HIGH 6-C

Attack Potency

Large Island Level

Speed

Subsonic, up to Speed Of Light

Durability

Large Island Level

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