Fire Emblem - Image #869,980

Well, I felt a feel. A feel of excitement, and regret. A feel that, in the right hands, could shake the very foundations of this world. A feel of calm, and rage, of love and hate. I felt this feel today.

This post is my new head-canon

Maybe the Avatar was already born, and it took some years until Chrom's father realized that he was the vessel of Grima.