Night Terrors

Night-Terrors are jet black creatures with large bat-like ears, patagium and dog-like snouts. They have fiery colored eyes with goat pupils. They only attack after sunset. The high pitched whistling noise they make is unearthly. It is theorized that they are not monsters at all, just packs of aggressive bat-beastmen.
Night-Terror's intelligence is difficult to surmise. Some say that they are aggressive pack animals, while others claim that they are wickedly intelligent and can speak Xarian and other languages.
In either case, it is widely believed that they are magikal in nature.
An old wives tale claims that they can be lulled by singing and music.