The Eldritch Alchemist

Your Patron is a researcher of chemicals. One that seeks knowledge in science and the ways of potion crafting, they most likely take the form of a goblin or gnome despite their morphing reagents. Regardless, your patron is intrigued in the pact between patron and warlock as it may suit an interesting experiment.

Alchemist's Knowledge

At 1st level, your patron emits knowledge without realizing it. You gain proficiency in the Arcana Skill if you do not already have it. In addition you gain proficiency in Alchemist's supplies.

Expanded Spell List

 

Eldritch Alchemist Expanded Spells

Spell Level	Spells
1st	identify, cure wounds
2nd	alter self, lesser restoration
3rd	fly, gaseous form
4th	stone shape, vitriolic sphere
5th	cloudkill, contagion

Vitriolic Blast

At 1st level, when you cast the Eldritch Blast Cantrip, you can turn the all of the blasts into acid spears, dealing acid damage instead. Each Blast has a +1 bonus to its acid damage. If you do not already know Eldritch Blast, you can still cast it but only for the purpose of using it as a Vitriolic Blast.

Eldritch Elixir

Starting at 6th level, the research of procuring elixirs is exposed to you. As an action so long as you have alchemist supplies, you can take an empty flask and produce one Eldritch Elixir. Upon drinking the Eldritch Elixir (takes an action) you gain the effects of the Enhance Ability spell for a duration of 10 minutes (no concentration). You choose one of the options from the spell however you also gain advantage on the saving throw appropriate to the option's mentioned ability. You can only procure Eldritch Elixirs a number of times equal to your charisma modifier per long rest.

Reagent Research

At 10th level, your study of reagents enhances your capabilities. Your proficiency bonus is doubled for ability checks involving your alchemist's supplies. In addition, you can forgo the spell effects of your Eldritch Elixirs to instead regain hit points equal to 2d8 + your Warlock level.

Enduring Chemist

Starting at 14th level, your exposure to chemicals has granted you resistance to acid and poison damage. Furthermore the poisoned condition cannot affect you and you gain a +1 bonus to attack rolls using your Vitriolic Blast.