Gilthunder vs Tuyet: who would win?

Gilthunder favored — Slight edge (~55%)

Gilthunder · Nanatsu no Taizai · Post-Druid Training

Tier

6-C

Attack Potency

Island Level

Speed

Sub-Relativistic

Durability

Large Mountain Level

Tuyet · Bionicle · with Nui Stone

Tier

6-C, up to HIGH 5-A

Attack Potency

Island Level, up to Brown Dwarf Level

Speed

Massively Hypersonic+, up to Relativistic

Durability

City Level+

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