Ishtar (All Kingdoms)
Kilrein is a magician and has no allegiance to any nation in Legendra when the adventure starts.
There are two possible ways to get him under your command:
1. Use Search during Domestic Mode and 2. Capture him in a battle.
Profession: Magician
Start Troops: Mages 
Magic:  Flame Cannon
 Thunder Fall
 Summon Guardian
Formation: Squad
Intelligence: < 64
For a picture of the PS2 version move your mouse over the image!