The One You Shouldn't Have Killed vs Jayna: who would win?

Jayna favored — Favored (~65%)

The One You Shouldn't Have Killed · Five Nights at Freddy's · Base

Tier

9-C, up to 9-B

Attack Potency

Street Level, up to Wall Level

Speed

Subsonic

Durability

Unknown

Jayna · DC · Base

Tier

9-C, up to 5-A

Attack Potency

Street Level, up to Large Planet Level

Speed

Massively Ftl+

Durability

Below Average Human Level, up to Large Planet Level

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