Doctor Herbert Halsey is a Horde Alchemy trainer located in The Apothecarium in Undercity.
He is in the Apothecarium, underground in a human torture chamber, standing near the stairs, just below the wooden "Alchemist" banner.
Doctor Herbert Halsey trains Alchemy from skill 125 to 225. Below 125 go to Doctor Marsh in Undercity. Past 225 go to Rogvar in Stonard, Swamp of Sorrows.
Undercity
Doctor Herbert Halsey
