Simon the Digger vs The Forgotten God: who would win?

The Forgotten God favored — Slight edge (~55%)

Simon the Digger · Tengen Toppa Gurren Lagann · Post-Multiverse Labyrinth

Tier

HIGH 1-C

Attack Potency

High Complex Multiverse Level

Speed

Subsonic, up to Immeasurable

Durability

High Complex Multiverse Level

The Forgotten God · Toaru Majutsu no Index · Base

Tier

HIGH 1-C

Attack Potency

High Complex Multiverse Level

Speed

Sub-Relativistic

Durability

High Complex Multiverse Level

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