The grading standard of killer's heart

This book BHK file level (Khufu world elite killer level) (world killer level)

[Purple] White Kill (Primary) → Red Kill (Primary) → Crimson (Intermediate) → Golden Knife (Advanced) → Purple Resentment (Master) → Mind Kill (Divine Power)

[Black] White Kill (Primary) → Green Kill (Primary) → Deep Blue (Intermediate) → Golden Knife (Advanced) → Black Chaos (Master) → Mind Kill (Divine Power)

Book Twelve Constellation Black Son Kingdom (graded by Twelve Constellation Black Son Group)

[Constellation of Kings] Scorpio (land king) → Leo (heavenly king) → Capricorn (king of kings)

[Fire sign] Aries (white seedling) → Sagittarius (blue flame) → Leo (fiery)

[Earth sign] Location | Virgo (world of mortals) → Taurus (hermit) → Capricorn (fear)

[Aquarius] Cancer (Charm) → Pisces (Holy Spirit) → Scorpio (Ghost)

[air signs] Gemini (hidden face) → Libra (death) → Aquarius (rebirth)