The Ichor

Your patron isn't distant like the patrons of other warlocks, your patron lives within you. Through some means you've forged a deal with a living ichor, you act as its host and help it sustain itself and it in return grants you power. Through you, your patron tastes, smells, sees, and feels the world as you do through your senses. Your patron could be a sentient mimic, an oblex, the blood of a deity, or perhaps an alien entity from the stars

Due to the rather unique nature of your patron, you are more aware of its peculiar quirks and its personality. Choose any number of the quirks listed below, make your own quirks for them, or you can roll to determine their quirk(s). Work with your DM to further develop your patrons personality and other traits.

Ichor Quirks 

D6	Quirk
1	Your patron is obsessed with learning more about the cultures of your world.
2	Your patron has a particular craving for some variety of food which it requests you consume often for its benefit.
3	Your patron views its relationship with you as more personal, becoming more emotionally attached to you.
4	Your patron requires a peculiar diet to sustain its power, as such your appetite is greatly increased.
5	Your patron is enamored with music, often requesting you to sing to it or play an instrument for it.

  

Expanded Spell List

1st-level Ichor feature

The Ichor grants you spells from an expanded list of spells. The following spells are added to the warlock spell list for you.

Ichor Expanded Spells

Spell Level	Spells
1st	entangle, false life
2nd	alter self, web
3rd	haste, speak with dead
4th	fabricate, freedom of movement
5th	dominate monster, creation

Bound as One

1st-level Ichor feature
You've completed and survived the bonding process with your patron. As a reaction, you can cause your patron to envelop you in a sort of living armor which grants the following
features. You cannot transform while wearing light, medium, or heavy armor. At times that your patron deems you in danger you may be forced into transformation against your will (At DM Discretion)

Living Armor. Your patrons hide is tough and your armor class becomes 13 + your Charisma modifier.

Tooth and Nail.
You grow a set of natural weapons in the form of piercing teeth and sharp claws, you are proficient with these weapons. You can use Charisma for attack and damage rolls, and they each deal 1d8 piercing or slashing (your choice) damage.

Additionally, whenever you reach 3rd level your attacks from this features count as magical for the purposes of overcoming resistance.

These attacks apply for unarmored features. 

Parasitic Tendrils. Whenever you make an attack with either your bite or claw attack, you may choose to (free action) expend one hit die and roll it gaining temporary hit points equal to the roll + your Charisma modifier which last until this feature ends. You can remain in this form indefinitely, but cannot take short or long rests while in it. You can exit this form as a free action.

Mobility Adjustment

6th-lvel Ichor feature
Your patron has greatly adapted itself to survive in many environments. while affected by your Bound as One feature, you gain a climb and swim speed equal to your base movement speed, you no longer need to breathe, your base movement speed increases by 20 feet, and you can climb difficult surfaces, including upside down on ceilings, without needing to make an ability check and with free-hands.

Your patron allows you control over aspects of its form, allowing you to manifest and manipulate tendrils from it. As a part of your transformation into Bound As One, you can call forth up to six tendrils which emerge from your body. Each tendril is 15-feet long, and you can manipulate objects and perform actions with them as if they were your hands such as holding a weapon or grappling a creature. They grant an additional action for the purpose of a 60 foot tentacle swing as a bonus action. You can have up to six tendrils manifested at a time.

Quickened Adaptation

When you take damage from a hit, you can use your reaction to halve the damage and gain resistance to that type of damage for 1 minute.

If attacked again with the same type of damage, you can use your reaction to halve the damage again and reduce the damage taken by 5

Additionally, whenever you take damage you can choose to absorb some of the damage taken with one of these tendrils reducing the damage taken by 1d10 per tentacle. The tendril used in this feature disappears immediately afterwards. You cannot reduce damage with this feature again until you finish a short or long rest.

We are One

14th-level Ichor feature
You and your patron have achieved near perfect symbiosis with one another. Whenever you are affected by your Bound as One feature, you gain the following additional features.

Ravenous Feast. Whenever you reduce a creature within reach to 0 hit points, you can choose to as a reaction consume them leaving their belongings in their previous space. Whenever you do so, you regain 2d10 hit points.

Serrated Tendrils. Whenever you make an attack with your bite or claw attack, you can make an additional attack with one of your tendrils. You are proficient with this attack, and it deals slashing damage equal to 4d6 + your Charisma modifier.