King of BEASTs (獣の王 Jūnoō?) is the supreme ruler rank for either BEASTs themselves or the BEAST Holders.
List of the King of BEASTs[]
North BEAST King[]
- Sakuyu Mira (1st Ruler)
- Kuroko Tetsuya (2nd Ruler)
South BEAST King[]
- Hakurai (J's BEAST, 1st Ruler)
- Kouta Kazuraba (2nd Ruler)
West BEAST King[]
- Raio (Jinpachi's BEAST, 1st Ruler)
- Aichi Sendou (2nd Ruler)
East BEAST King[]
- Dragotron (Torin's BEAST, 1st Ruler)
- Kouya Marino (2nd Ruler)
Center BEAST King[]
The last BEAST King ruler who was the leader of the North, South, West and East Kings who were the guardians. The main ruler was Ashura, Reinzuya Nakaoka and her son Samuel Nakaoka the Second, but he transforms into the Gate Core before becoming the Center BEAST King. Ashura becoming the Center BEAST King which she rivaled Reinzuya before he becomes the third Center BEAST King.
- Ashura (1st Ruler)
- Reinzuya Nakaoka Joo (2nd Ruler)
- Samuel Nakaoka the Second (3rd Ruler after becoming a Gate Core)