Turnstone vs Shion (Web Novel): who would win?

Too close to call

Turnstone · Teenage Mutant Ninja Turtles · Base

Tier

3-A

Attack Potency

Universe Level

Speed

Unknown

Durability

Universe Level

Shion (Web Novel) · Tensei Shitara Slime Datta Ken · Afterstories

Tier

3-A

Attack Potency

Universe Level

Speed

Transonic, up to Massively Ftl+

Durability

Universe Level

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