Plant Monsters vs Keeper of the Old Lords: who would win?

Keeper of the Old Lords favored — Slight edge (~55%)

Plant Monsters · Godzilla · Base

Tier

8-A

Attack Potency

Multi-City Block Level+

Speed

Immobile, up to Supersonic+

Durability

Multi-City Block Level+

Keeper of the Old Lords · Bloodborne · Base

Tier

8-A

Attack Potency

Multi-City Block Level

Speed

High Hypersonic

Durability

Multi-City Block Level

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