Otherworldly Patron: Lich Lord

You have made a pact with a great lich, a wizard who has attained mastery over life and death. The Lich offers you power and knowledge, in exchange for your obedience. The Lich may desire further knowledge, rare magical objects, or it may simply enjoy exerting control over lesser mortal beings. Speak with your DM regarding the details of your Lich lord.

Life Drain
Starting at 1st level, When you deal damage with a spell or your pact weapon to a creature, you may add heal yourself by 1d4. This effect may not be triggered more than once per turn.

Subtle Arts
Starting at 6th level, you learn to apply subtlety to your dark gifts. Any undead you control go unnoticed by freindly and neutral beings. They simply appear to be hirelings or retainers. Their true nature may be uncovered if an active Wisdom(Perception) check of DC 10 is made.

In addition, you may now use a d6 for determining healing when using the Life Drain feature.

Undead Connection
Starting at 10th level, your connection to your servants grows stronger. Whenever you cast a spell that requires a saving throw, you may have any undead you control automatically succeed if they would be effected.

Additionally, all freindly undead you control within 30 feet of you now receive half of the healing (rounded down) from your Life Drain feature.

Summon Nightmare
Starting at 14th level, your Lich lord rewards your competence with a Nightmare. You may spend 10 minutes performing a ritual to summon this Nightmare (pg.235 in MM). This Nightmare is loyal to you and will obey all instructions, so long as they do not directly oppose the Lich you serve. If the Nightmare is killed, you may not summon it again for 2d6 days.

In addition, you may now use a d8 for determining healing when using the Life Drain feature.