Asta (Final Saga) vs Kronos (Riordan): who would win?

Asta (Final Saga) favored — Slight edge (~55%)

Asta (Final Saga) · Black Clover · Judgment Day Arc

Tier

5-C, up to LOW 5-B

Attack Potency

Moon Level+, up to Small Planet Level

Speed

Massively Ftl

Durability

Moon Level+, up to Small Planet Level

Kronos (Riordan) · Percy Jackson · True Form

Tier

5-C, up to HIGH 4-C

Attack Potency

Moon Level+, up to Large Star Level

Speed

Massively Hypersonic, up to Massively Ftl+

Durability

Moon Level+, up to Large Star Level

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