Aza'gorod the Nightbringer vs Ziggs: who would win?

Ziggs favored — Slight edge (~55%)

Aza'gorod the Nightbringer · Warhammer 40,000 · True Power/War in Heaven Nightbringer

Tier

4-B, up to 1-A

Attack Potency

Solar System Level, up to Outerverse Level

Speed

Hypersonic, up to Massively Ftl+

Durability

Planet Level

Ziggs · League of Legends · Battle Boss

Tier

4-B

Attack Potency

Solar System Level

Speed

Athletic Human, up to Subsonic

Durability

Solar System Level

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