Thread:Silver-Haired Seireitou/@comment-6673974-20150207191304/@comment-1493741-20150207214715

Reishi is what all things in the spiritual world are made of (Buildings, the ground, bodies). It is combined with Reiryoku to make Heilig Pfeil. Reiatsu is Reiryoku exerted as a physical pressure, so there's no reason these two techniques couldn't affect each other.