The Enigmatic

Your desires have lead to seek power. Any amount of power would do. One day, an otherworldly entity has decided to help you, giving you immense power. You do not know who- or what- gave you power, but the power you gained was the power you've always wanted.

Expanded Spell List

Spell Level	Spell
1st	Chaos Bolt, Silent Image
2nd	Alter Self, Augury
3rd	Elemental Weapon, Major Image
4th	Hallucinatory Terrain, Summon Elemental
5th	Dream, Scrying

(When you cast Elemental Weapon or Summon Elemental, you must roll 1d6 or 1d4 (respectively) to determine what element it is (1: Acid, 2: Cold, 3: Fire, 4: Lightning, 5: Poison, 6: Thunder for Elemental Weapon, and 1: Air, 2: Earth, 3: Fire, 4: Water)  

Anonymous Protector

Your patron seems fond of your or is keeping you alive for their own ends. As a bonus action, you can gain temporary hit points equal you your Warlock level plus your Charisma modifier. You can use this feature equal to your proficiency bonus per long rest.

Shrouded Aggressor

Your patron is now willing to help you fight to keep you alive. Whenever you cast a spell that deals damage, you can add your proficiency bonus to the damage. Additionally, whenever a creature makes a melee attack towards you, you can use your reaction to deal damage equal to your Charisma Modifier plus your Warlock level. 

Unknown Shield

As an action, you can be shrouded in a 5-foot-long 10-foot-tall cocoon of black threads for 1 minute. The Armor Class of this cocoon is equal to your Spell Save DC, and its hit points are equal to you Warlock level plus your proficiency bonus. You can hear, see, and cast spells through the threads, but other creatures cannot. You cannot move while in the cocoon. You gain the benefits of a short rest after leaving the cocoon. You can only use this feature once per long rest. 

Mystery Master

Your patron now trusts you with more power than ever before. When you use the Unknown Shield feature, you can regain all used pact slots. Additionally, whenever you cast a cantrip, you can roll 1d6. On a 5 or higher, you regain a used pact slot. You also gain an additional use of Unknown Shield per long rest.