A guide on how to destroy the cliff portals in Kingdom Two Crowns. Covering what you need to unlock before you can enter the portals, how to destroy the cave once you're inside, and a few tips to make it easier.

Edit: the bomb is no longer made at the forge, it is purchased at the town centre when it's fully upgraded

You may find different names for some of the things mentioned in this video:
The cave is also called the Greed lair.
The volcano at the end of the cave is also called the hive.
The Greed nests are also called Hearts of Greed.