Just a clarification. I think a better translation of 不死身 (lit. "undying body"), in context, is "invincible" rather than "immortal". Am making the appropriate changes. And, as observed here, the point is that Murasa is nowhere near invincible.
I heard that once you become a believer, you can meet the rumored famous Master Hijiri!Spiritual power grants you invincibility!Spiritual power grants you invincibility!Fufufu.....Hong! What TREACHERY is this!?Wha...What the hell did you do!?Ahaha...Ufufu...