Astral Gremory/Astral Lucius: King

Lucoa: Queen

Hellboy: Mutated Rook

Mereoleona: Rook

Halibel: Knight

Shirou: Mutated Knight

Alucard: Mutated Bishop

Tsunade: Bishop

Twice: Pawn

Flare: Pawn

Kuroka: Pawn

Jericho: Pawn

Megumin: 4 pawn pieces