Armoplore

Spell Name: Caterwauling Charm

Incantation: Armoplore

Pronunciation: ARM-o ploar

Spell Branch: Charms

Magical Discipline(s):

Appearance: Red waves from the wand, ground of the area pulses with a red glow for a few moments after casting.

Description: The charm is activated by any living thing that steps on the area of the charm. Once activated, the charm lets out a high pitched shreik loud enough for anyone in or near the area of the charm to clearly hear it.

Regulations: Legal

Skill Level: Beginner

Etymology: From Latin "arma" meaning 'defense' and "ploro" meaning 'I cry out'.

References:

• Cast on the village of Hogsmeade by Death Eaters as a curfew during the Second Wizarding War. Harry Potter, Hermione Granger, and Ron Weasley set it off when they apparated into Hogsmeade.
• Mentioned by Zoe Torret on her Transfiguration Midterm [1]

Notes:

• Skill required increases in proportion to the size of the area being charmed.
• Similar to an Intruder Charm: they both produce an alarm if the vicinity is disturbed.