Arc-Gurren Lagann vs Augusta: who would win?

Too close to call

Arc-Gurren Lagann · Tengen Toppa Gurren Lagann · Base

Tier
5-A
Attack Potency
Large Planet Level
Speed
Sub-Relativistic+, up to Massively Ftl+
Durability
Large Planet Level

Augusta · Wuthering Waves · Base

Tier
5-A
Attack Potency
Large Planet Level
Speed
Sub-Relativistic+
Durability
Large Planet Level

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