Clash of Clans: Barbarian King

The Barbarian King is the toughest and meanest barbarian in all the realm, whose appetite for Dark Elixir has caused him to grow a giant size. He can attack enemy village or guard you village.

Barbarian King is a larger and more powerful Barbarian. You can buy him at TH7 with 10,000 .
You can unlock “Iron Fist” his ability by upgrading him into level 5.
His ability last for 10 second at any level.
His ability is upgrading in every 5 level.
Barbarian King is undying, He is just summoned and never dies.
If his Hp became Zero in the battle, just let him sleep and recover his HP in a period of time.
While in defense mode, he protect a certain area around his altar.
When you click the Barbarian King after you deploy, his spell will activate and he will recover some amount of HP and summoned barbarians.
The highest level of Barbarian King for now is level 40.
At th7 you can upgrade him until level 5, th8 until level 10, th9 until level 30 and th10 until level 4