Obstacles consist of Grass, Rocks and Trees that appear on any new player's map. They act as impediments to areas where the player can place their buildings. Removing Obstacles rewards the player with Gems . There is also an Achievement for removing Obstacles. Once removed they won't reappear. Buildings and Heroes cannot be placed and dropped on Obstacles respectively.
When you click the Obstacles we normally see an Icon. This Icon shows a sign of removing known as "Remove Icon"
- Remove Icon for Grass and Trees - This icon is for removing grass and Trees. Its commonly shows as Gold Coin Icons with certain amount of gold you can remove grass and trees obstacles.
- Remove Icon for Rocks - This icon is for removing rocks. Its commonly shows as Mana Drop Icons with certain amount of mana you can remove Rocks obstacles.
In this table, you can find the Obstacle removal cost.