Griseous Orb - Distortion World via Turnback Cave Entrance
Both Dialga & Palkia are at Spear Pillar. Before meeting them, you must have their respective orbs & have spoken to Cynthia's grandmother after beating the Hall Of Fame. Both will be at Level 70.
Adamant & Lustrous Orbs:
Both are found at Mt. Coronet on the 4th Floor. You need:
- Rock Climb
to reach the Orbs. They will be at the top of a waterfall.