User blog comment:Omega64/Is Shizu actually Lucia's Reincarnation?/@comment-38171720-20190227203824

but great sage is just the unique skill version of raphael becuase every otherworlder gets some type of skill rimuru wasnt strong enough for a ultimate skill so raphael downgraded to great sage (i cant remember where i read this in think it was in the WN when rimuru evolved into a demon lord)