Metamorphosis
From HoNWiki
Metamorphosis

War Beast transforms into a Hellhound Lieutenant, gaining a larger health pool, a critical attack, and a speed boost. 
Skills Table[edit]
Level  Mana Cost  Cooldown  Cast Range  Area of Effect  Duration  Effects 
1  100  100 seconds  N/A  N/A  N/A  Applies Metamorphosis to self for 16 seconds. 
2  100  70 seconds  N/A  N/A  N/A  Applies Metamorphosis to self for 16 seconds. 
3  100  40 seconds  N/A  N/A  N/A  Applies Metamorphosis to self for 16 seconds. 
Metamorphosis Effects
Level  Effects 
1  +100 Max Health
30% chance for 1.5x Critical Strike Reduces base attack time from 1.7 seconds to 1.4 seconds. Increases movement speed of self and all owned units to 522 and gives them Unitwalking. 
2  +200 Max Health
30% chance for 1.5x Critical Strike Reduces base attack time from 1.7 seconds to 1.4 seconds. Increases movement speed of self and all owned units to 522 and gives them Unitwalking. 
3  +300 Max Health
30% chance for 1.5x Critical Strike Reduces base attack time from 1.7 seconds to 1.4 seconds. Increases movement speed of self and all owned units to 522 and gives them Unitwalking. 
Notes
 This skill provides Critical Strike.