Po (Paws of Destiny) vs Shiki Granbell: who would win?

Too close to call

Po (Paws of Destiny) · Kung Fu Panda · Post-Wellspring amplification in the Spirit Realm

Tier
3-A, up to LOW 2-C
Attack Potency
Universe Level, up to Universe Level+
Speed
Massively Ftl+
Durability
Universe Level, up to Universe Level+

Shiki Granbell · Edens Zero · Universe 0

Tier
3-A, up to LOW 2-C
Attack Potency
Universe Level, up to Universe Level+
Speed
Massively Ftl+
Durability
Universe Level, up to Universe Level+

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