This summons a writhing mass of venomous snakes that function as a wall! This spell is often used as a mage runs away from an enemy.

Wall of Snakes [42] 
    Innate Attack (Impaling) 1d [23.2] 
        Area Effect (2 yard radius) [+50%] 
        Persistent [+40%] 
        Wall (Permeable, Shapeable) [+60%] 
        Extended Duration (x30) [+60%] 
    Innate Attack (Toxic) 1d [18.8] 
        Follow-Up (Impaling Innate Attack) [+0%] 
        Cyclic (10 seconds, 5 cycles, Resistible) [+100%] 
        Symptoms (1/2 HP, Paralysis) [+300%] 
        Resistible (HT-4) [-10%] 
    Magical [-10%] 
    Spell Components [-10%] 
        Must say "snakes" in Latin 
Levels 2+ [+4/level] 
    Increase Area Effect by 1 step [+50%]