Rune main function is embedded in the card and attribute the increase, enhance the combat effectiveness of the warrior or witch, different cards that require runes.
Rune sequentially:
Fury Rune 
Blade Rune 
Despair Rune 
Abyss Rune 
Ancient Rune 
Bless Rune 
Persistence Rune 
Divinity Rune 
Barserk Rune 
Guard Rune 
Concentration Rune 
Mighty Rune 
Convenant Rune 
Dark Rune 