Amulet of mortal spirit

This small amulet can be made from any solid substance. On one side is depicted the Vitruvian Man, on the other is typically a stylized star of some kind.

Once every two days the wearer can invoke the amulets power adding +4 to their characters prime requisite ability score. (If a character has more than one class they must choose the class during attunment.)

This enhancement lasts for 2 hours.

Notes: Bonus: Choose an Ability Score, 2 hours of concentration upon the face of the Vetruvian Man