Cauldron is part of the paid game and offered when you take Alchemist.
Everything can be soup with the right mindset.
Stars never affect a bag, whatever the rule above says.
Mana: Resource used by magic items.
Heat: All items trigger 2% faster.
Affected: Slots marked with will become when the effect can be applied.
EpicPotion
LegendaryPotion
GodlyPotion