Root

School transmutation [earth]; Level sorcerer/wizard 0
Casting Time 1 standard action
Components V, S, M (a pinch of dirt)
Range touch
Target creature touched
Duration 1 minute (D)
Saving Throw Will negates (harmless); Spell Resistance yes

This spell strengthens the subject's connection to the ground below, bolstering its defense against combat maneuvers. It gains a +2 insight bonus to its CMD to resist being moved or tripped and a +2 competence bonus on all Acrobatics checks made to balance or remain standing on earth, sand, stone, or a similar rocky substance.

Source: Paizo Blog