Garlic is a reagent that is widely used by all mage classes in casting spells, and some which have alchemy.
Garlic when combned with 1 poison gland
, 1 piece of coal
, and 1 empty bottle
is used by rogues
in making a Bottle of Poison
. You can sell a Bottle of Poison in some shops for 1 gold each, and buy it for 2 gold