Ruined Kingdom

The Ruined Kingdom is the twelfth kingdom visited in Super Mario Odyssey. The greater location of Crumbleden, the Ruined Kingdom is a stormy and mysterious world filled with the ruins of a long-dead kingdom.

During the events of the game, Mario and Cappy crash land the Odyssey in this location after Bowser and the Ruined Dragon attack them. The crash leaves the Odyssey damaged, requiring three Power Moons to restore back to working condition. Mario fights and defeats the Ruined Dragon in this kingdom, enabling him to use the Odyssey again to leave and continue his journey to Bowser's Kingdom.

Power Moon locations
There are a total of 10 Power Moons in Crumbleden. Mario needs to collect 3 to repair the Odyssey, making it the second smallest location in the game, beaten by the Nimbus Arena.

(❸=Multi-Moon, ◲=Moon Rock)
 * 01: Battle with the Lord of Lightning!: ❸ After exiting the Odyssey, Mario should make his way up the stairs and pull the sword out of the ground using Cappy. A power terminal will appear that Mario can capture and ride up to the tall tower. A boss fight with the electric dragon will ensue and will reward Mario with a Multi Moon when defeated.
 * 02: In the Ancient Treasure Chest: To the left of the stairs that lead to the power terminal, there is a ledge that Mario can hold on to. At the end of the ledge is a treasure chest that contains a Power Moon.
 * 03: Roulette Tower: Climbed: After the dragon is defeated, a Mini Rocket will appear on the battlefield. The rocket will lead Mario to the roulette block challenge area showcased in the Nintendo World Championship. After climbing the tower, Mario is rewarded with a Power Moon.
 * 04: Roulette Tower: Stopped: Inside the Roulette Tower in the section to the left of where the red Koopa Troopas are.
 * 05: Peach in the Ruined Kingdom: Only available after completing Moon Kingdom. Peach and Tiara are on the battlefield, to the right of the dragon.
 * 06: Caught on a Big Horn: ◲ Obtained by throwing Cappy onto the dragon's left horn and holding him there until the Power Moon appears.
 * 07: Upon the Broken Arch: ◲ On top of the broken arch on the right side of the staircase.
 * 08: Rolling Rock on the Battlefield: ◲ On the battlefield, there is a loose rock that can be hit for an abnormally long amount of time to reveal a Power Moon.
 * 09: Charging Through an Army: ◲ Inside a pipe that appears next to the Odyssey. The pipe leads to an area where Mario must bust open a cage by capturing a Chargin' Chuck.
 * 10: The Mummy Army's Curse: ◲ In the same area the above Power Moon; after the Chinchos start appearing, Mario must return to the beginning of the area, where a sparkling Chincho will spawn. Defeating it reveals the Power Moon.

Reaching for the Heavens
''This tower once collected energy from lightning in the thunderclouds that constantly swirl here. Some say it was destroyed by repeated lightning strikes, but others note the unnatural shapes into which the tower crumbled and wonder if it fell into ruin for different reasons entirely.''

High Stakes
''Amid the ruins, these swords surely stand out. They're thought to be left over from a large battle here in Crumbleden. One certainly feels a sense of intentionality in the way they're stuck straight down, as if fallen from the sky. Some see them not as swords, but rather nails or stakes. Perhaps the eyelets at the top allowed ropes or chains through to anchor something, but it's impossible to say what.''

Ruined Dreams
''It's only because of the people of Crumbleden's skill in construction that there are ruins left here to see. Their building style was reliable and straightforward, but whatever they'd hoped to accomplish by harnessing the fearsome power of lightning remains unclear. Some have theorized that the circular plaza atop the tower was built for a standoff of some kind.''

The Great Altar
''It's thought that this altar was built so this former kingdom could communicate with (or perhaps confront) something. This is the only altar built here, and scholars have been keen to discover its intent. It's also said to be shaped like something in particular. The idea that it was meant to charge lightning has been disproven. The new theory is that it was built to call something down and then restrain the lightning.''

Are Those...Claw Marks?
''The stone here has numerous large slashes cut through it, often in parallel tracks suggesting giant claws. But that can't be right--what could claw through stone?''

Three Keys to the Kingdom

 * 1) Visit the vast crumbling tower still standing watch over the area.
 * 2) Investigate the deep, clawlike marks in the stone.
 * 3) Admire the durable construction techniques of a once proud kingdom.

Crumbleden
Ruinenland