How To Get Light Clay in Pokémon Platinum

All Light Clay Locations
#	Location	Repeatable?
1	Mt. Coronet — On a tiny island in the water of floor B1F	No
2	The Underground — Occasionally found in the digging puzzles	Yes

The quickest and easiest method of obtaining a Light Clay is by picking it up inside Mt. Coronet. Reaching this Light Clay’s location will require Pokémon that can use Strength, Rock Smash, and Surf. Defog is also recommended, but not strictly necessary.

Or you can get unlimited Light Clays by digging puzzles in the Underground. However, the odds of finding a Light Clay in any given puzzle are extremely low, making this method a potentially laborious and time-consuming process.

Light Clay Locations

Location #1: Mt. Coronet (Step-by-Step)

The location of the finite Light Clay on the Town Map.

One Light Clay is sitting on the ground inside Mt. Coronet.

Before you enter though, make sure you have Pokémon that know the moves Strength, Rock Smash, and Surf. Defog will also help, although you should be able to navigate the cave without it.

This sprawling mountain has multiple entrances; but the quickest route is through the entrance to the west of Celestic Town.

So once you’re ready, start by heading west along the southern edge of Celestic Town from the Pokémon Center.

Heading west from Celestic Town’s Pokémon Center.

Follow the perimeter of the town around as it turns northward.

Turning north with the town’s perimeter.

Turn west to leave Celestic Town and enter Route 211.

Breaking west toward Route 211.

Head west on Route 211. Climbing the staircase to the north will keep you from having to fight wild Pokémon along the way.

Heading west along the northern path to avoid tall grass.

Continue west until you reach the mouth of Mt. Coronet, and enter the cave.

Entering Mt. Coronet.

Once inside, turn immediately to the north and approach the round boulder on the ground.

Standing behind the movable boulder.

Use Strength to push the boulder at least three tiles to the north.

Using Strength to push the boulder further north.

From there, head north through the path you created, and keep going in that direction. Ignore the hallway to the left.

Heading north through the new gap in the rocks.

Continue north down the staircase, and once you’re down the stairs just take a left at the end of the hall.

Turning left at the end of the hall.

Then head down the staircase at the far western end of this hall to reach Mt. Coronet’s next floor.

Heading down the staircase to the floor below.

The next floor will be choked with fog, so it does help to use Defog to clear it out (optional but useful).

Deep fog inside Mt. Coronet.

Either way, start heading north from the staircase.

Heading northward after using Defog to clear the cave.

Then you’ll want to descend the first staircase to your right, and then use Surf at the edge of the water.

Once you’re on the water just surf eastward across the surface.

Using Surf to skim the water.

You’ll soon spot a small four-tile patch of land in the middle of the water. And in the corner of this patch of land you’ll see an overworld item on the ground.

Disembark here and pick up the Poké Ball item to get the Light Clay.

Obtaining the Light Clay in Mt. Coronet.

Location #2: The Underground (Repeatable)

Exploring the Underground for items.

Unlimited Light Clays can be unearthed in the Underground. Although this is a very randomized and often time-intensive process.

Every time you begin a digging puzzle in the Underground, there is a 20% chance that a non-sphere item will be hidden beneath the rocks and dirt.

Because there are close to 50 different item types that can be uncovered, the odds of finding one Light Clay in a single puzzle are miniscule.

So while this is the only other method you can use to obtain more Light Clays in the game, this will be a time-consuming process.

Uncovering a rare Light Clay in the Underground.

Light Clay Details and Uses

In-game description of Light Clay.

The Light Clay is a Hold Item that boosts Light Screen and Reflect, increasing their duration from five turns to eight turns.

Light Clays are invaluable for dual screeners (Pokémon who use both Light Screen and Reflect to halve all damage inflicted on the user’s team).

It is hard to overstate how useful an extra three turns for either move can be, particularly in competitive play.

Generally with a designated screener, the most prized qualities are:

Quickness and/or bulk
Resistances
And the ability to easily switch out of battle

Common Gen 4 Pokémon chosen to be dual screeners often include Bronzong, Uxie, Azelf, Lapras, Latios/Latias, Jirachi, and Espeon.

Miscellaneous Info about Light Clay:

Light Clays can be sold for 100 PokéDollars each, although this isn’t really worthwhile due to how rare this item is.
If a Light Clay is flung by a Pokémon using Fling, the move will have a base power of 30.

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- How To Get Light Clay in Pokémon Platinum

Chris Haygood

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Chris is an American freelance writer and lifelong gamer. RPGs have been his genre of choice ever since he got Pokémon Blue in 1867, but if he finds a good rhythm game, he will prioritize playing it over both eating and breathing.

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