The cursed Target begins to bleed whenever it casts a Spell.

The spellcaster takes d6 x the Spell level in Necrotic damage after it casts a Spell.

This could effect Concentrating.

The Bleeding, Minor letters revealed by this Spell are visible on the surface of any armor or clothing worn and are visible in bright or normal light and are not Hidden by illusions. Thus, the Bleeding, Minor runes clearly revealing the location of an Invisible creature. The bloody letters are not visible in Dim Light or Darkness Sphere, except to creatures with darkvision or blindsight.

Creatures able to see the Bleeding, Minor runes form can Identify the Spell being cast, as described as the runes form the Spells written form.

The blood dries and flakes away 1 Round after the Bleeding, Minor stops.