The Griseous Orb is located in the Distortion World through the entrance in Turnback Cave, which you’ll find to the southeast of Veilstone City.
But you won’t be able to enter Turnback Cave until you’ve defeated the Pokémon League and entered the Hall of Fame. So this area is only accessible in the post-game of Pokémon Platinum.
Griseous Orb Location (Step-by-Step)
Part 1: Finding Turnback Cave
You’ll be able to visit Turnback Cave after you and your Pokémon have defeated the Pokémon League for the first time.
To find Turnback Cave, you’ll need to pass through the Spring Path on the eastern side of Route 214 – which will have already opened up after the final showdown with Cyrus on Mt. Coronet.
You will also need to bring Pokémon that know these HMs:
- Rock Climb
- Defog
When you’re ready, Fly to Veilstone City and head southward from the Pokémon Center.
Leave Veilstone City through the southeastern entrance gate.
On the other side of the gate, continue southward on Route 214.
Head east just after the first trainer you find.
Turn south when you reach the narrow aisles created by the picket fences.
Continue southward through the picket fence maze, passing all the wandering trainers.
Pass the Psychic trainer and keep moving southward.
Enter the Spring Path through the gap in the trees to the east.
Follow the Spring Path to Sendoff Spring at the end.
Enter the Spring’s clearing, then head east through the tall grass.
In the northeastern corner of this area, use Rock Climb on the rocky part of the wall.
At the top of the mountain you can go either east or west (both paths circle around to the same area).
Head north along the circular path overlooking the spring.
Then use Rock Climb again at the next rock wall to reach the cave entrance down below.
Enter Turnback Cave.
Part 2: Solving the Puzzle of Turnback Cave
The first cave chamber you enter is thick with fog, so use Defog to clear it up.
This room has four doorways upstairs: one each to the north, south, east, and west.
In the middle of the wall in front of you is a partially-effaced inscription that gives you a clue about navigating Turnback Cave.
The most important part is the last bit: “…before 30 is surpassed…”
Start this puzzle by taking the door to north, west, or east—it doesn’t matter which.
The room you enter will either be full of breakable rocks, or it will be completely empty except for a pillar in the middle.
If you find a pillar, reading the inscription on it will provide you with two numbers:
- The top number shows which pillar room you are in
- The bottom number shows how many rooms you’ve entered up to this point
The object of the puzzle is to find all three pillar rooms before you’ve passed through 30 rooms.
If you succeed, the next room you enter after finding the third pillar will be Giratina’s room, which contains a portal to the Distortion World.
Turnback Cave and all of its rooms are randomly generated upon entry. So there is no quick or easy way of finding all three pillars within the 30-room limit—just keep choosing doors at random and you’ll get there eventually.
Once you find the third pillar, you can pass through any of the four doors to enter Giratina’s room.
In that room will be a portal to the Distortion World in the middle.
This isn’t the same area of the Distortion World you explored during the Cyrus battle on Mt. Coronet, but it’s far smaller and easier to navigate.
Part 3: Navigating the Distortion World
From the entrance, circle around to the northeast and jump on the gravity-defying platform that’s turned on its side. Walk to the opposite end of the platform.
The large boulders will disappear as you walk into them.
Hop off the sideways platform and start moving westward.
When you reach the miniature floating platforms to the south, hop across them.
Walk down the long narrow platform, then resume hopping across the small platforms to the west.
Continue heading west until you reach the boulders. Then walk through them and turn northward.
Head north until you find a Poké Ball item on the ground along the path.
Jump over the gap and pick up the Poké Ball to obtain the Griseous Orb.
Griseous Orb Details and Uses
The Griseous Orb is a held item for Giratina only. When Giratina equips it, the power of its Dragon- and Ghost-type moves increase by 20%.
Holding the Griseous Orb also transforms Giratina from its Altered Forme to its Origin Forme.
Both its Altered Forme’s and Origin Forme’s stats add up to the same (very high) number.
But Giratina is a much better attacker in its Origin Forme, while Altered Forme Giratina’s defenses are its high point.
Neither incarnation of Giratina is “better” than the other; since switching forms is as simple as switching Giratina’s held item, you can try both to see which form works better for your team without having to fully commit to either.
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Pokémon Platinum
- How To Get the Griseous Orb in Pokémon Platinum