However, the koden in this book was neither mere praise nor criticism, but was instead full of interesting descriptions interwoven with unique comments and impressions, and because of its critical spirit the book was unusual among Rikkokushi.
しかし本書の薨伝は一方的・公式的な礼賛や非難に流れず、独特の批評や感想を交えた興味深い記述が多く、六国史の中では批判精神を堅持したものとして異色である。