This causes the feet of the target to sink into the ground, trapping them in place. In soft materials, such as dirt, this will cause them to sink much further than in hard stone.

Binding 23 [69] 
    Variable [+5] 
    Malediction (As Regular Spell) [+100%] 
    Based on Activation Roll [+5%] 
    Resisted by DX [+20%] 
    One-Shot [-10%] 
    Environmental [-30%] 
        Victims must stand on stone or earth 
    Magical [-10%] 
    Spell Components [-30%] 
        Must say "sink" in Latin 
        Must gesture with hands 
        Must stamp foot on ground, forcefully 
Level 2 [92] 
    Increase Malediction to Speed/Range table [+50%] 
Level 3 [125] 
    Add Area Effect (2 yard radius) [+50%] 
    Add Selective Area [+20%] 
Level 4-7 [147/171/194/217] 
    Increase Area Effect by 1 step [+50%]