The Peskipiksi pesternomi charm used by defense against the dark arts professor gilderoy lockhart is of questionable origin and questionable value. In his first lesson he releases a cage of cornish pixies into his classroom , who proceed to make a mess and a buzz around the students . His charm does nothing to round them up.



Immobulus

As lockhart escapes his office, he asks ron, harry and Hermione to get the destructive creatures back into their cage. Quick thinking Hermione is the first to cast immobulus , a charm that freezes targets in its place.