Fairy Heart vs Samael: who would win?

Fairy Heart favored — Favored (~65%)

Fairy Heart · Fairy Tail · Base

Tier

LOW 2-C

Attack Potency

Universe Level+

Speed

Unknown

Durability

Multi-Continent Level

Samael · Silent Hill · Samael's Essence

Tier

LOW 2-C

Attack Potency

Universe Level+

Speed

Omnipresent

Durability

Human Level

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