Like I said there are many monsters within his soul but which one would be in the spotlight suggest me one those monster should be at the fiendgod realm-lol like this

  Heavenly sacred pheonix dragon

  Species-DRAGON+PHEONIX

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  CULTIVATION-FIENDGOD REALM

  A SPECIAL SPECIES OF DRAGONS AND PHEONIXES LIVES IN THE VOLCANO OF HOLYFIRE AT THE HEAVENLY FIENDGOD IMMORTAL PLANE

  LIKE THIS YO