Now that the art book has confirmed that Logos/Malos is indeed inside N’s sword we can now say this about this scene:
Tfw you are fighting your great-grandfather wielding his uncle-in-law/your great-great-great uncle as a sword, who is fighting your cat-sister who is possessed by (half of) your other great-great-great uncle, while using your own great-great-grandmothers as weapons (they’re not genetically your great-great-grandmothers, they were married to your genetic great-great-grandmother, who was also a cat)