Hyper Mecha-King Ghidorah vs Sub Energy: who would win?

Hyper Mecha-King Ghidorah favored — Slight edge (~55%)

Hyper Mecha-King Ghidorah · Godzilla · Base

Tier

HIGH 6-A

Attack Potency

Multi-Continent Level

Speed

Superhuman, up to Supersonic+

Durability

Multi-Continent Level

Sub Energy · Ben 10 · Base

Tier

HIGH 6-A

Attack Potency

Multi-Continent Level

Speed

Immobile

Durability

Multi-Continent Level

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