This produces a focused blast of sand that's capable of eroding through almost anything with enough exposure.

Sand Blast [44] 
    Innate Attack (Crushing, beam) 4d [22] 
        Jet [+0%] 
    Innate Attack (Corrosion) 2d [22] 
        Follow-Up (Crushing innate attack) [+0%] 
    Extended Duration (x10) [+40%] 
    Magical [-10%] 
    Spell Components [-20%] 
        Must say "sand" in Latin 
        Must gesture with hands 
Levels 2-6 [52/60/68/76/84] 
    Increase Extended Duration by 1 step [+20%]