The cursed Target begins to bleed whenever it casts a Spell.
The spellcaster takes x the Spell level in Necrotic damage after it casts a Spell.
This could effect Concentrating.
The bleeding letters revealed by this Spell are visible on the skin.
The blood dries and flakes away 1 Round after the bleeding stops.
You feel the curse as you cast a spell, your skin splitting open, blood seeping out. The letters form on your skin, vivid and crimson, before drying and flaking away.