Nindroid Warriors vs Arkham: who would win?

Nindroid Warriors favored — Slight edge (~55%)

Nindroid Warriors · Ninjago · Various Nindroids and Min-Droid

Tier
4-C
Attack Potency
Star Level
Speed
Speed Of Light, up to Ftl
Durability
Star Level

Arkham · Devil May Cry · Base

Tier
4-C, up to 4-A
Attack Potency
Star Level, up to Multi-Solar System Level
Speed
Massively Hypersonic+, up to Ftl
Durability
Star Level, up to Multi-Solar System Level

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