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

The 13th Grave + Tao the Chanter → Magical Ghost

The 13th Grave + Moon Envoy → Armored Zombie

The 13th Grave + Masaki the Legendary Swordsman → Armored Zombie

The 13th Grave + Dragoness the Wicked Knight → Armored Zombie

The 13th Grave + One-eyed Shield Dragon → Dragon Zombie

The 13th Grave + Wicked Dragon with the Ersatz Head → Dragon Zombie

The 13th Grave + Sonic Maid → Armored Zombie

The 13th Grave + Kanan the Swordmistress → Armored Zombie

The 13th Grave + Takriminos → Dragon Zombie

The 13th Grave + Stuffed Animal → Armored Zombie

The 13th Grave + Yamadron → Skelgon