Obexus Morsmordrem
From Absit Omen Lexicon
Spell Name: Dark Mark barrier
Incantation: Obexus Morsmordrem
Pronunciation: oh-BEX-us mors-MOR-druhm
Spell Branch: Charms
Magical Discipline(s): Defensive; Enchantments
Appearance: A brief flickering image of the Dark Mark over the barriered area
Description: Creates a magical barrier which can be passed only by someone branded with the Dark Mark. Anyone without a Dark Mark who attempts to pass will be hurled backwards. Semi-permanent.
Not illegal per se, although being a Death Eater is.
Regulations: Controlled (known only to Death Eaters)
Skill Level: Advanced
Etymology: Latin obex, "barrier, barricade", and Morsmordre, the incantation of the Dark Mark spell
References:
- Cast by the Death Eaters on the stairs to the Astronomy Tower in Half-Blood Prince to prevent the Order of the Phoenix from assisting Dumbledore.
- An even more complicated variant was possibly used on the gates of Malfoy Manor in Deathly Hallows; Snape and Yaxley passed through the apparently solid gate simply by raising their left arms.
Notes: