Locomotor Mortis (Leg-Locker Curse)

Type: Curse

Pronunciation: LOH-koh-moh-tor MOR-tis

Description: Sticks legs together.

Seen/Mentioned: Used by Draco Malfoy on Neville Longbottom in 1991. Used by Harry Potter on Draco Malfoy, who deflected it, in 1996. One of the spells on Pottermore.
Etymology: English locomotion, "movement" + Latin mortis, "of death".

Notes: It is unclear whether or how this spell is related to the Locomotor spell. It could, however, be that the curse "locks" any part of the body in accordance to where it is pointed, or moves the body into a position of the caster's choosing whilst placing them into an immobile state. It is possible that Draco had pointed his wand at Neville and the curse "locked" his legs together.

Notes (2): It can be bought at Wiseacre's Wizarding Equipment in Diagon Alley in LEGO Harry Potter: Years 1-4.