This works by causing portions of the victim's brain to malfunction. The higher levels can cause permanent damage.

Terror (-0 to Confusion Check) [18] 
    Active [+0%] 
    Presence [+25%] 
    Touch-Based [-20%] 
    Melee Attack (Reach C, No Parry) [-35%] 
    Magical [-10%] 
    Spell Components [-20%] 
        Must say "insane" in Latin 
        Must gesture with hands 
Levels 2+ [+6/level] 
    Increase Fright Check Penalty by 1 [+10 base]