Spiritomb - NPC Spawn Information & Map : r/PokemonBDSP

8] Shiny Spiritomb in about 10 resets! : r/ShinyPokemon

Pokémon Brilliant Diamond & Shining Pearl - Grand Underground - NPC Spawns

Spiritomb - NPC Spawn Information & Map : r/PokemonBDSP

Routes for farming NPCS for Spiritomb : r/pokemon

How to get Spiritomb in Pokemon Brilliant Diamond & Shining Pearl - Dexerto

Pokémon Brilliant Diamond & Shining Pearl - Grand Underground - NPC Spawns

I got Spiritomb in BDSP. AMA about the process : r/PokemonBDSP

This location is the best for getting Spiritomb early. An NPC spawn is directly outside of the grasslands cave to the right, making it really easy to farm for specific ones.

Pokémon BDSP How to get Spiritomb with only 2 Badges : r/PokemonBDSP