Kiran (Fire Emblem) vs Beretta (Light Novel): who would win?

Kiran (Fire Emblem) favored — Slight edge (~55%)

Kiran (Fire Emblem) · Fire Emblem · Book I

Tier

1-C

Attack Potency

Complex Multiverse Level

Speed

Superhuman, up to Massively Hypersonic+

Durability

Unknown

Beretta (Light Novel) · Tensei Shitara Slime Datta Ken · Chaos Metalloid

Tier

1-C

Attack Potency

Universe Level+

Speed

Massively Hypersonic

Durability

Complex Multiverse Level

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