Starlight Glimmer vs Messiah: who would win?

Starlight Glimmer favored — Favored (~65%)

Starlight Glimmer · My Little Pony · From Season 5 to 8

Tier

2-A, up to LOW 1-C

Attack Potency

Multiverse Level+, up to Low Complex Multiverse Level

Speed

Subsonic, up to Infinite

Durability

Multiverse Level+, up to Low Complex Multiverse Level

Messiah · Megami Tensei · Base

Tier

2-B

Attack Potency

Multiverse Level

Speed

Massively Ftl+

Durability

Multiverse Level

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