Tartarus (Riordan) vs Link (Tears of the Kingdom): who would win?

Link (Tears of the Kingdom) favored — Slight edge (~55%)

Tartarus (Riordan) · Percy Jackson · True Form

Tier

5-B, up to HIGH 4-C

Attack Potency

Planet Level, up to Large Star Level

Speed

Nigh-Omnipresent

Durability

Planet Level, up to Large Star Level

Link (Tears of the Kingdom) · The Legend of Zelda · Late Game

Tier

5-A

Attack Potency

Large Planet Level

Speed

Peak Human, up to Ftl

Durability

Large Planet Level

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