Goat Harralander?

Goat Harralander is an achievement that requires the player to make a Combat potion from scratch inside Nardah.

After killing a Goat, the following steps must be done inside Nardah: crushing the goat horn, creating the vial from molten glass, filling the vial with water (Humidify spell will not work), adding the clean harralander to the vial of water, and adding the goat horn dust to the harralander potion (unf).

Trivia

 * This achievement used to be a task prior to the release of the Achievements System on 18 April 2017.