Layla Hassan vs Nightsider: who would win?

Layla Hassan favored — Slight edge (~55%)

Layla Hassan · Assassin's Creed · Assassin's Creed: Odyssey and onwards

Tier

9-A

Attack Potency

Small Building Level+

Speed

Supersonic+, up to Hypersonic

Durability

Small Building Level+

Nightsider · Warhammer 40,000 · Base

Tier

9-A

Attack Potency

Building Level+

Speed

Average Human, up to Speed Of Light

Durability

Human Level

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