Witch

Witch is best used if your knowledge with Potions is great, although you sacrifice the ability to have useful items gaining buffs with Berries / Potions is what you'll mostly be using on top of Weapons.

Abilities

 * [0/17] Transmute - Kill three Droids in the current room. Gain three random berries
 * [0/3] Quick Brew - Spawn a Cauldron in the center of the room. The Cauldron is removed on room change.

Trivia

 * Alchemist and Witch can glitch out the turrets in Mechtropolis by spawning a cauldron in the room.