The Artifact (HB)

Your Patron is a powerful artifact which takes shape in a weapon, armor or a staff. 

Artifacts Soul

At 1st level, when you adopt this Otherworldly Patron, you choose a artifact soul and gain its feature. You must make or acquire a physical artifact a weapon, armor or a staff.

Weapon. As a bonus action, choose one creature you can see within 30 feet of you. The next time you hit that creature on this turn with a weapon attack, the creature takes an extra 1d6 damage from the attack. The damage type is the some type of the weapons damage type.

Armor.  As a bonus action, you can expend one spell slot. You gin a bonus to your AC equal to 2 times the spell slot expended. This bonus lasts for 1 minute or until your concentration brakes (as if concentrating on a concentration spell).

Staff. You can cast one spell you Known once without using a warlock spell slot. You can’t do so again until you finish a long rest.

Armor

As a bonus action, you can expend one spell slot. You gin a bonus to your AC equal to 2 times the spell slot expended. This bonus lasts for 1 minute or until your concentration brakes (as if concentrating on a concentration spell).

Staff

You can cast one spell you Known once without using a warlock spell slot. You can’t do so again until you finish a long rest.

Weapon

As a bonus action, choose one creature you can see within 30 feet of you. The next time you hit that creature on this turn with a weapon attack, the creature takes an extra 1d6 damage from the attack. The damage type is the some type of the weapons damage type.

Additional Artifacts Soul

At 6th level, you gain a magical benefit based on the artifact soul of your choice. You choose the same artifact soul you selected at 1st level.

Weapon. You can attack an additional time, whenever you take the Attack action on your turn.

Armor.  As a reaction (in result of taking damage), you gain resistant to one damage type of your choice until the end of the current turn. You can only use this feature times equal to your charisma modifier (minimum of once).

Staff. When you reduce a creatures hit points to 0 you regained one expanded spell slot. You can’t do so again until you finish a long rest.

Artifact Spirit

At 10th level, you gain one Artifacts Soul or Additional Artifacts Soul option that you don't have.

Artifacts Soul Mastery

At 14th level, you gain a magical benefit based on a artifact soul of your choice. You choose the same artifact soul you selected previously.

Weapon. If you attack with weapon a creature can't have resistance or immunity to your weapon attack. If a creature has immunity to your weapon attack it becomes resistance. If a creature has resistance to your weapon attack it becomes non-resistance (if the resistance was created by this feature it don't become non-resistance). 

Armor.  As a bonus action, you can gain hit points equal to your armor class. You can only use this feature times equal to your charisma modifier (minimum of once).

Staff. You can chose one spell you known and you can cast it at will, without expending a spell slot.

Expanded Spell List

The Artifact lets you choose from an expanded list of spells when you learn a warlock spell. The following spells are added to the warlock spell list for you.

Celestial Expanded Spells
Spell Level	Spells
1st	Detect Magic, Identify
2nd	Heat Metal, Magic Weapon
3rd	Counterspell, Haste
4th	Death Ward, Polymorph
5th	Animate Object, Wall of Force