Scratticus

You have made a pact with Scratticus, The benevolent chaos incarnate. This beings aims are ever unknown, sometimes they are kind at other times they are cruel. They often appear as different people, talking with different voices and with conflicting morals

Let's Evoke Emotions

Starting at 1st level you may inspire confidence in others. For the brave they receive 1d8 inspiration to use on any Ability check, Attack or Saving Throw. For the downtrodden, the weak and the scared 2d8.

In addition:
You probably should rest, but you dont need to. You no longer receive exhaustion effects for not resting. In addition, if you take the time to brew an energy drink, you can take the effects of a long rest

Tee Hee

Chaos Incarnate:
At 6th level, once per long rest, draw from the deck of many things. You may impose the effects on ANY CREATURE in your current plane, excepting yourself. You may choose which creature after you have drawn the card

In addition, you may take an extra Warlock Spell slot for every different multiclass option you have taken

Total Improv

At 10th Level, you may ignore any and all plans to receive Expertise in all Charisma and Dexterity based Ability checks. If you are acting according to plan, you get nothing sir, good day.

Boss Mode

At 14th Level, once per long rest, you may decide that your CR was set too low for this encounter and enter Boss Mode. For the duration you may double your current HP and take an attack action as a reaction at the end of any enemies turn. Boss mode ends when the combat encounter ends