This spell requires the caster to hurl a gem at the target. This can be done in any way desired, such as Throwing, Throwing Art, or even via a sling. On top of the normal damage inflicted by such an attack, the spell will add it's effect.

Affliction [11] 
    Disadvantage [+50%] 
        Blindness [-50] 
    Follow-Up [+0%] 
        Hurled gemstone 
    Magical [-10%] 
    Spell Components [-30%] 
        Must say "blindness" in Latin 
        Must hurl a yellow gem worth at least $50 at target