The only way to get the weather rocks (Damp, Heat, Icy, and Smooth Rocks) is to dig for them in the Underground.
This means you’ll be able to start hunting for them as soon as you grab the Explorer Kit from Eterna City.
Acquiring All Weather Rocks
To start searching for weather rocks, dig down to the Underground by using the Explorer Kit anywhere in Sinnoh.
When you have control of your character, head for one of the glittering areas that show up on the map.
Tap the touch screen to sense hidden treasures lodged inside bulging walls, which sparkle when the sensor is activated near them.
Walk up to one of these spots and Press A, then select Yes to dig into the wall.
Digging into bulging walls will begin a minigame.
Alternating between your hammer and your pickaxe, dig as many treasures as possible out of the wall before it comes crashing down from the repeated banging.
- The hammer breaks more rocks and dirt per hit, but causes the minigame to end quicker
- The pickaxe is weaker, but more precise and less damaging to the wall
Every time you mine a new spot in the Underground, there is only a 20% chance that a non-sphere item will be hidden beneath the rocks and dirt.
There are close to 50 different non-sphere item types that can be uncovered.
Because the odds of finding a specific weather rock in a single minigame are pretty low, you can expect to spend a long time searching for one.
Remember to send your items above ground by selecting them in the Treasures sub-menu.
What Are the Weather Rocks?
The Damp Rock, Heat Rock, Icy Rock, and Smooth Rock are held items that prolong the duration of weather-changing moves.
The following table lists the effects of each rock:
Weather Rock Details | ||
---|---|---|
Icon | Item | Effect |
Damp Rock | Extends the duration of rain from five turns to eight turns when the holder uses Rain Dance | |
Heat Rock | Extends the duration of harsh sunlight from five turns to eight turns when the holder uses Sunny Day | |
Icy Rock | Extends the duration of hailstorms from five turns to eight turns when the holder uses Hail | |
Smooth Rock | Extends the duration of sandstorms from five turns to eight turns when the holder uses Sandstorm |
Are the Weather Rocks Useful?
The weather rocks are must-haves for many weather-based Pokémon builds.
While weather-changing moves can be overlooked by players who focus only on pure offense, there are often highly useful secondary effects to weather conditions that aren’t obvious at first.
For instance:
A sandstorm will hit all Pokémon in battle for a small amount of HP on every turn. But Rock-type Pokémon—Tyranitar and Regirock are some classic examples—are immune to this damage. In fact, they also enjoy a 50% Special Defense boost for the length of the storm.
Another example is the harsh sunlight created by Sunny Day.
Harsh sunlight boosts Fire-type damage by 50% while weakening Water damage by the same amount.
But a more exciting effect of sunlight is that it turns SolarBeam into a one-turn move. This allows you to blast opponents repeatedly with one of the strongest attacks in the game without suffering the usual drawback of a recharge turn.
Equipping a weather-manipulating Pokémon with the corresponding weather rock instantly grants an extra three turns of these awesome benefits.
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Pokémon Platinum
- All Weather Rocks in Pokémon Platinum (Icy, Smooth, Heat, and Damp Rocks)