Why didn't Ash's Torkoal ever evolve in the Pokémon anime?

Why didn't Ash's Torkoal ever evolve in the Pokémon anime? torkoal evolutions 0827F459 2D659DF2 TORKOAL 7A85D188 0B01285D SABLEYE 39160ADA D22AF7CF BARBOACH AA3DCD01 CC9A2FE2 WHISCASH 136D3BA0 1355FA13 LUVDISC AF066F60 torkoal competitive Torkoal is a Fire-type Pokémon introduced in Generation III, that is not known to evolve into or from any other Pokémon

torkoal competitive Evolutions This Pokémon does not evolve Torkoal #0324 Fire Explore More Pokémon Torkoal Pokémon TV Episodes None Once in a Mawile S8

torkoal evolutions For Pokemon Sun on the 3DS, a GameFAQs message board topic titled YR: Torkoal evolves into Turtonator  Highlights · Torkoal gets a fresh makeover as a hot spring Pokemon, sparking fan excitement for new regional variants and evolutions in the