Sierra as Ally (All Kingdoms, except Fandaria Empire)
After her rescue from the clutches of Ryskim she will join your forces once she has recovered in hospital from her capture.
Due to the fact that she knows the Resurrect magic as well as the Ensnare spell she can become a nearly invincible general if you award her with enough troops.
Profession: Underling
Start Troops: Zombies 
Magic:  Trident's Daughter
 Resurrect
 Ensnare
Formation: Protect
Intelligence: 64 (Once presented a book: 70)
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