Scylla Io vs Seele: who would win?

Too close to call

Scylla Io · Saint Seiya · Base

Tier

4-C, up to 4-A

Attack Potency

Star Level, up to Multi-Solar System Level

Speed

Speed Of Light

Durability

Star Level, up to Multi-Solar System Level

Seele · Honkai: Star Rail · Base

Tier

4-C

Attack Potency

Star Level

Speed

Sub-Relativistic

Durability

Star Level

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