This solidifies the air beneath the feet of the target as they step.

Affliction [44] 
    Advantage [+180%] 
        Walk on Air [18] 
            Magical [-10%] 
    Controlled by Target [+0%] 
    Fixed Duration [+0%] 
    Extended Duration (x100) [+80%] 
    Malediction (As Regular Spell) [+100%] 
    Based on Activation Roll [+5%] 
    Magical [-10%] 
    Spell Components [-20%] 
        Must say "air" in Latin 
        Must gesture with hands 
Level 2 [49] 
    Increase Malediction to Speed/Range table [+50%] 
Level 3 [54] 
    Add Area Effect (2 yard radius) [+50%] 
Level 4-7 [59/64/69/74] 
    Increase Area Effect by 1 step [+50%]