Grima vs Time Lords: who would win?

Time Lords favored — Favored (~65%)

Grima · Fire Emblem · Echoes

Tier

7-B, up to 4-A

Attack Potency

City Level, up to Multi-Solar System Level

Speed

Superhuman, up to Massively Hypersonic

Durability

Large Island Level, up to Multi-Solar System Level

Time Lords · Doctor Who · Base

Tier

7-A, up to HIGH 1-C

Attack Potency

Mountain Level, up to High Complex Multiverse Level

Speed

Unknown

Durability

Unknown

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