- See also: Humanoid Tetra
- Upon defeating the Monster Head, the player will be rewarded with 20,000 pence and 30 EXP. This reward is similiar to that of Immortal Dragon Elderage.
- The Monster Head card is a shadowy version of the Silver bordered Humanoid Tetra card.
- Monster Head is currently the only Unafilliated card with a background color related to a Nation.