when i was reading Rosario+vampire s2 manga i read this sentence ''血液を媒介にしてのみ真祖は継承されるの”
血液=blood
媒介=Intermediary
のみ=Only
真祖=term in the manga indicates vampires ancestors
継承=Inheritance
then what does ''媒介にして" mean ? its not ''媒介する” right ? and is "継承される" the passive form of "継承する” ?
