Shadow serpent mounts

Shadow serpent mounts are vanity mounts first introduced in World of Warcraft: Legion.

Treasure

 * Riddler's Mind-Worm is found within the Gift of the Mind-Seekers at Longshore in Westfall after solving the Riddle of the Mind-Seekers.

Drop

 * Abyss Worm is a very rare drop from Mistress Sassz'ine in the Tomb of Sargeras on all difficulty modes.
 * Nazjatar Blood Serpent is a guaranteed drop from the Adherent of the Abyss in Stormsong Valley.