The 13th Grave + Abyss Flower → Pumpking the King of Ghosts

The 13th Grave + Greenkappa → Armored Zombie

The 13th Grave + Living Vase → Pumpking the King of Ghosts

The 13th Grave + Tentacle Plant → Pumpking the King of Ghosts

The 13th Grave + Fairy Dragon → Dragon Zombie

The 13th Grave + Lady of Faith → Magical Ghost

The 13th Grave + Snakeyashi → Pumpking the King of Ghosts

The 13th Grave + Witch's Apprentice → Magical Ghost

The 13th Grave + Queen's Double → Armored Zombie

The 13th Grave + Trent → Pumpking the King of Ghosts

The 13th Grave + Invader of the Throne → Armored Zombie

The 13th Grave + Hibikime → Armored Zombie