 Later, Mitsunaka would assist Fujiwara no Kaneie in his plot to coerce Emperor Kazan into taking Buddhist vows and abdicating in favor of Fujiwara's seven-year-old grandson.Mitsunaka's association with Fujiwara clan made him one of the richest and most powerful courtiers of his day.He served as the acting governor (kokushi) of ten provinces, most notably Settsu, which became the mainstay of his military and economic power.