The Precursors vs Lady of the Lake: who would win?

The Precursors favored — Favored (~65%)

The Precursors · Halo · Base

Tier: 4-B, up to 3-C
Attack Potency: Solar System Level, up to Galaxy Level
Speed: Relativistic, up to Massively Ftl+
Durability: Unknown

Lady of the Lake · Nanatsu no Taizai · Base

Tier: 4-B
Attack Potency: Solar System Level
Speed: Immobile
Durability: Unknown

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