Pact of the Cauldron

Your patron gives you a cauldron;the cauldron can be of any appearance. If you lose your cauldron, you can perform a 1-hour ceremony to recieve a replacement from your patron. This ceremony can be performed during a short or long rest, and it destroys the previous cauldron. The cauldron melts to slag when you die.

When you gain this feature you gain one of the appropriate spells as shown by the table below and you gain one extra when you reach 5th level, 7th level, 9th level; they don’t count against your number of spells known. The spells you gain from this feature can only be used in making potions; on a short or long rest, you can expend a single warlock spell slot to create a potion based on a spell you choose from this list,it takes an action to drink the potion, either the warlock or the imbiber (but not both) needs to maintain concentration if the spell requires concentration for as long as the effects lasts in order to gain the benefits, The potion takes immediate effect on yourself.

Potion spells

Level Spell 3 alter self, crown of madness 5 fly, meld into stone 7 phantsmal Killer, compulsion 9 dream, planar binding

Also, you become proficient with alchemist's supplies, your proficiency is doubled for any ability check you make that uses it.

Invocations

Toil and Trouble

Prerequisites: Pact of the Cauldron feature, 3rd level

You can use your Pact feature with any of your known warlock spells. Additionally, you can use your cauldron as a spellcasting focus for your warlock spells.