Durian Kingdom

The Durian Kingdom is the 12th kingdom linked to the J Barrel which appears in Donkey Kong: Jungle Beat. The Durian Kingdom can be accessed by completing all the kingdoms in the K Barrel and collecting 18 Crests. The Durian Kingdom is the dominion of Ninja Kong and Ninjapes. Donkey Kong travelled through this kingdom and at the end of every level he ate a giant Durian. The kingdom is characterized as a fortified mountain.

Battle for Storm Hill
Battle for Storm Hill is the first area of the Durian Kingdom. Donkey Kong needed ascend to the top of Storm Hill. Cannonballs rained from the sky, slowing down Donkey Kong. Ninjapes would do a variety of things to slow down Donkey Kong, like throwing shuriken, manning cannons, and directly fighting him. Once he reached the top of the hill, he would eat the giant Durian and enter a fort.

Aerie Fortress
Aerie Fortress is the second area and final area of the Durian Kingdom. Donkey Kong utilized his rope swinging and swimming abilities to make it through the heavily fortified fortress. Similar to the Battle for Storm Hill, Ninjapes would try a variety of things to keep Donkey Kong at bay. At the end of the level, Donkey Kong would ride a Helibird to the top and escape from the fortress. After his escape, he encountered Ninja Kong.

Trivia

 * Battle for Storm Hill is referenced in Super Smash Bros. Brawl. The background music for Battle for Storm Hill plays on the stage Rumble Falls.