Bliztik

Bliztik was a level 36 alchemy vendor located in a house in Raven Hill, in the human-aligned territory of Duskwood.

Speculation
Bliztik is has been seen since the Cataclysm. Though it is possible that he left the area to find new customers or could have left after being spoked by the Unseen. Alternatively he could of panicked and attack them and was killed in the process.

Sold

 * Crystal Vial
 * Empty Vial
 * Enchanted Vial
 * Healing Potion (3)
 * Imbued Vial
 * Leaded Vial
 * Lesser Mana Potion (3)
 * Recipe: Shadow Oil (1)