Bloodletters vs The Morrigan: who would win?

Too close to call

Bloodletters · Warhammer 40,000 · Base

Tier

9-A, up to 1-A

Attack Potency

Large Building Level, up to Building Level+

Speed

Subsonic, up to Hypersonic

Durability

Small Building Level, up to Outerverse Level

The Morrigan · Assassin's Creed · Base

Tier

9-A, up to HIGH 8-C

Attack Potency

Small Building Level+, up to Large Building Level

Speed

Superhuman, up to Supersonic

Durability

Large Building Level

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