How to find Giratina and Griseous Orb in Pokemon Brilliant Diamond

Platinum Legendary Giratina is in BDSP, along with the Griseous Orb. Here

Giratina - Evolutions, Location, and Learnset, Crown Tundra DLC

Turnback Cave - Pokémon Wiki - Neoseeker

Every Way Pokémon BDSP Hints At Legends: Arceus

Giratina Pokédex: stats, moves, evolution & locations

Where to find Giratina in Pokémon Brilliant Diamond & Shining Pearl - Millenium

Giratina - Pokemon Diamond, Pearl and Platinum Guide - IGN

If you trade the Griseous Orb to Diamond or to Pearl and you give it to the Giratina from either of those games (but NOT the one from Platinum), can you transform

Griseous Orb Effect and How to Get It

Pokemon Brilliant Diamond & Shining Pearl / Shiny Legendary - Israel

Pokemon Crown Tundra Griseous Orb: How to Get Giratina Origin Form