Spell Tattoo or Cursed Rune is a magical item from the Web Novel.
It takes on the form of various markings inscribed onto a person's body.
Spell Tattoos are triggered/activated by the use of a keyword. A user of Spell Tattoos can have numerous tattoos and the spells contained within the tattoos can vary from status boost spells to offensive attack spells.
- According to the Web Novel, the tattoos are placed on the user using a magic item.
- The Spell Tattoos were adapted in Zero's character in the Light Novel.
- Hilma's Viper’s Tattoo could also be a reference to the Spell Tattoo.