Always on

• Dark One's BlessingLevel 3

  When A creature within 60 feet dies

  When a creature within 60 feet of Khur dies, he gains 9 temporary hit points.

• Dark One's Own LuckLevel 6

  When Khur fails an ability check or saving throw

  Once per Short or Long Rest, Khur adds 1d10 to an ability check or saving throw after seeing the roll fail.

• Many Faces

  When As an action

  Khur can alter his appearance at will through illusion magic, as granted by Mask of Many Faces.

• Repelling Blast

  When Khur hits a creature with Eldritch Blast

  Khur's Eldritch Blast can push a hit creature up to 10 feet away from him.

• Otherworldly PatronLevel 1

  You have made a pact with a powerful extraplanar patron. Your patron grants you magical power and may communicate with you through signs, dreams, messengers, or direct commands. Khur's patron is a calculating fiend who treats every favor as an investment.

• Pact MagicLevel 1

  You use Charisma as your spellcasting ability. You regain your two Pact Magic spell slots after a Short or Long Rest. At level 7, both slots are 4th level.

• Eldritch InvocationsLevel 1

  You gain Eldritch Invocations, supernatural techniques granted by your patron. Khur has six: Agonizing Blast, Devil's Sight, Eldritch Mind, Pact of the Tome, Repelling Blast, and Mask of Many Faces.

• Magical CunningLevel 2

  You can draw on your patron's power to recover expended Pact Magic slots. Once per Long Rest, you can meditate for one minute and regain expended Pact Magic slots with a combined level equal to half your Warlock level, rounded up.

• Fiend Patron SpellsLevel 3

  Your Fiend patron grants additional spells associated with fire, deception, fear, and domination. These spells count as Warlock spells for you and do not count against your prepared spells.

• Ability Score ImprovementLevel 4

  You gain a feat appropriate to your level. Khur selected Skilled, gaining proficiency in Investigation, Insight, and Sleight of Hand.

• Improved Pact Magic ProgressionLevel 5

  Your Pact Magic slots increase to 4th level, and you learn additional Warlock spells as shown in the Warlock progression.

• Ability Score ImprovementLevel 7

  You gain a feat appropriate to your level. Khur selected Musician, gaining proficiency with three musical instruments and the ability to grant Heroic Inspiration after a short performance.

• Constructed ResilienceWarforgedKhur has advantage on saving throws against being poisoned, resistance to poison damage, immunity to disease, and does not need to eat, drink, or breathe.
• Sentry's RestWarforgedKhur can enter an inactive state for six hours instead of sleeping. During this time he remains conscious of his surroundings and can see and hear normally.
• Integrated ProtectionWarforgedKhur's body incorporates armor. While wearing armor, he gains a +1 bonus to Armor Class. He can don or doff armor by integrating it into or extruding it from his body.
• Specialized DesignWarforgedKhur gains proficiency with one skill and one tool. These are represented by his Investigation proficiency and gaming set proficiency.
• Living ConstructWarforgedKhur is a living construct rather than a humanoid, though magic that restores life or health can affect him normally when appropriate.
• Military RankSoldier

  You have military rank or a reputation earned through service. Soldiers and veterans recognize your bearing, understand your authority, and may provide you with temporary shelter, information, or limited assistance when they are not openly hostile to you.