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Wind Spirits (風の精神) are a type of spirit summoned by Ashera to fight Ike's army. It is Wind based and uses the exclusive weapon Wind Tail. It and the other two spirits, Fire Spirits and Thunder Spirits, are first seen in the fourth stage of Part 4: Endgame. They have the farthest movement range of any unit (20) and teleport around the battlefield. Though they their magic is wind based, Pegasi and Bird Laguz are not weak to them. They are effected by the Trinity of Magic.
It has medium power when compared to thunder and fire spirits because of the Anima Triangle (fire>wind>thunder) in Radiant Dawn.