User blog comment:Mnzombie/Issei's Peerage/@comment-213.106.131.123-20131022202437/@comment-213.106.131.123-20131023092313

The reason I put the nine-tails as a Rook, is because they look really strong and druable. Due to the fact that High School DxD haven't gone into detail regarding Youkai, I took the information from other anime/manga that invole nine-tailed foxes.