Herbalism is an almost necessary requirement for alchemy. You're going to find herbs all around the world, so why not get this skill and take advantage of it? Alchemy is a great skill that allows you to generate all sorts of instant and temporary potions to improve a character's effectiveness.
Peacebloom
Silverleaf
Earthroot
Swiftthistle
Mageroyal
Stranglekelp
Bruiseweed
Wild Steelbloom
Fadeleaf
Goldthorn
Khadgar's Whisker
Icethorn
Frost Lotus