Rarity (Human World) vs Thunderfang: who would win?

Rarity (Human World) favored — Slight edge (~55%)

Rarity (Human World) · My Little Pony · Pony-Up Form

Tier

2-A, up to LOW 1-C

Attack Potency

Multiverse Level+, up to Low Complex Multiverse Level

Speed

Infinite

Durability

Multiverse Level+, up to Low Complex Multiverse Level

Thunderfang · Ninjago · Base

Tier

LOW 1-C

Attack Potency

Unknown

Speed

Ftl

Durability

Unknown

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