Creates a small, invisible duplicate of the caster on top of their head, granting them the ability to take an extra mental maneuver each turn for the sake of defense. Most use this for casting defensive spells.

Homunculus Shield [23] 
    Compartmentalized Mind 1 [15] 
        Defensive Actions Only [-40%] 
    Extra Arms 2 [4] 
        No Physical Attack [-50%] 
    Extra Mouth 1 [3.5] 
    No Signature [+20%] 
        The homunculus is invisible 
    Extended Duration (x3) [+20%] 
    Breakable (Caster's Natural DR, SM -5) [-20%] 
        Caster chooses a number of HP (minimum: 1) to give up at casting time 
        This is the number of HP the homunculus has 
        They're returned when the spell lapses 
    Magical [-10%] 
    Spell Components [-40%] 
        Must say "shield" in Latin 
        Must gesture with hands 
        Must hold a miniature sculpted bust of self 
Levels 2-6 [38/53/68/83/98] 
    Improve Extended Duration by 1 step [+20%]