Communication
Creatures Ilvermorny Legends and Lore Slytherin

Low Musical Note of the Horned River Serpent

A low musical note sounded as an alarm by the Horned River Serpent of North America (Pm).

  • When Gormlaith Gaunt attacked Ilvermorny School, she used the single Parseltongue word for "wand sleep" to make Isolt Sayre's Basilisk-horn wand inactive. But the Boot twins, Chadwick and Webster, had twin-core wands with River Serpent horns, and instead of sleeping their wands awakened and began emitting the low musical note of danger which alterted the boys (Pm).
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Communication
Automatic typewriters Communication Enchanted Coin Ghostly Letters Howler Lily’s Letter Low Musical Note of the Horned River Serpent Magical Exposure Threat Level
Memo rats Message on the Blanket Owl Post Paper Aeroplanes / Paper Airplanes Parselmouth Pensieve Memories Potterwatch Quills
Radio Singing Valentines The Prophecy Two-Way Mirrors Warning of the Horned Serpent When Spares are Spared Prophecy Wizard’s Wireless Wizarding Wireless Network (WWN)
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