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

The One You Shouldn't Have Killed favored — Slight edge (~55%)

Nanomech · Ben 10 · Base

Tier

9-C

Attack Potency

Street Level

Speed

Average Human

Durability

Below Average Human Level

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

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