Another from Dragon Magazine #162, the slaugh (pronounced slooa). Taken from Gaelic mythology, known as “the host of the unforgiven dead”, they are malevolent spirits of dead mortals. Presented as undead in the article, I like them as an evil fey creature. If you like them as undead, it’s easy enough to change them over. Looking through folklore, it’s easy enough to see how you could make the argument either way. Here’s a good write up on them.
Welcome traveler from an antique land.
You hold in your hand one of Dr. Rudolph van Richten’s numerous notebooks. In his travels, Dr. Van Richten took copious notes that later led to the publication of his many Guides.
This is some of what he has seen. The unheard of monsters, who slither and bite. Wondrous items and and artifacts he has found, their mysteries yet to be unlocked. Of the vexing spells and enchantments he has encountered.
Seven monsters, six spells, and nine magic items!
Bestiary includes the allip, amorphous blob, bloody bones, cobweb golem, dry bones, skotos, and slaugh.
Spellbook includes amorphous blob, creeping darkness, crimson scourge, undead control, vampire mist, and wall of bones.
Magic items include the cloak of night, eyes of the undead, gauntlets of the ghoul, ring of lycanthropy, skull mask, spectre wand, sword of night, trumpet of doom and withering scythe.