The Throne of Souls (5e Subclass)
From D&D Wiki
Throne of Souls
The Throne of Souls is a Warlock Patron, an entity which harvests and uses souls. Your Patron is an Entity which formed by the merging of thousands of souls, they've acquired the power to control and mold souls into magic and energy. They've decided to bestow upon you a fraction of this power.
Expanded Spell List
The following spells are added to the warlock spell list for you.
|1st||faerie fire, magic missile|
|2nd||blur, enhance ability|
|3rd||animate dead, blink|
|4th||death ward, guardian of faith|
|5th||raise dead, reincarnate|
Beginning at 1st level, when you reduce a creature to 0 hit points, you may use your action within 1 minute after the creature is slain to consume its soul. This allows you to use the soul to cast a spell within the next minute.
Once you reach 6th level, you may now keep the souls you consume for up to 24 hours. In addition, you may keep a number of souls equal to your Charisma modifier.
At 10th level, you may use a soul to add an extra die of damage on a spell. Alternatively, you can spend a soul to give the target of your spell disadvantage, you may do this a number of souls equal to you Charisma modifier after which you can't use it again until you finish a short or long rest.
Throne of Souls
At 14th level, you may use consumed souls to gain one new Warlock Invocation. You ignore any prerequisite to learn this Invocation. You know this Invocation for a number of hours equal to the number of souls you use, you can sacrifice souls to increase the duration.