d100 Effect

01–02 Your Patron offers to allow you to choose any other result on this table, at the cost of reducing you to 1 hit point afterwards.

03–04 You gain vulnerability to fire damage for the next 8 hours.

05–06 You cast sending on another current or former servant of your Patron.

07–08 For the next minute, the DM may reroll any 1s they roll on damage dice against you and take the new result.

09–10 You cast armor of Agathys at second level.

11–12 You cast ray of enfeeblement on the creature in range that you most trust.

13–14 For the next minute, your eldritch blast cantrip knocks targets prone whether it hits or misses.

15–16 Lose access to a random Eldritch Invocation for the next minute.

17–18 You cast eldritch blast, and critically strike on a roll of 16-20.

19–20 A lamb controlled by the DM appears next to you. You cannot cast spells until it disappears after 1 minute, or until it dies.

21–22 For the next minute, you gain access to an Eldritch Invocation which you qualify for but have not learned.

23–24 You cast eldritch blast on yourself, then point at a nearby creature and say “This is all your fault!”

25–26 Your mouth emanates dark red hellfire for the next minute. The first time you are dealt damage in that time, cast hellish rebuke twice.

27–28 A hell hound controlled by the DM appears next to you and disappears after 1 minute.

29–30 For the next hour, you grow a pair of long vertically entwined horns, and gain a 30 ft. burrow speed.

31–32 The nearest book you haven’t read teleports into your hand, and you must succeed on a DC 13 Wisdom saving throw or spend your next action perusing it.

33–34 You gain resistance to cold damage and immunity to the frightened condition for the next hour.

35–36 The nearest enemy casts major image.

37–38 You cast any Warlock spell at level 1 and apply the Extended Spell Metamagic to it.

39–40 You shift to your Patron’s home plane until the end of your next turn. While there, they give you a small bit of advice for your predicament.

41–42 Your tongue turns forked and purple for the next minute, granting advantage on Insight checks as it flicks out and smells the air.

43–44 A deviled egg appears in your mouth, and you cannot speak until you spend an action chewing and swallowing it.

45–46 Choose a creature you can see. For the next minute, it gains access to an Eldritch Invocation you know.

47–48 The nearest enemy learns your current hit points and saving throw bonuses.

49–50 Choose an ally you can see. You may use them as the point of origin for your line of sight and spells for the next minute.

51–52 For the next minute, you hallucinate the floor or ground as molten lava, and avoid it if possible.

53–54 You and all allies within 100 ft. remove all points of exhaustion.

55–56 Regain all of your hit points. For the next minute, lose 10% of your maximum hit points (rounded down) at the start of each of your turns.

57–58 A map of a region on another plane appears folded in your pocket.

59–60 Choose a creature you can see. For the next minute, you take psychic damage equal to the damage they take.

61–62 For the next minute, you gain the resistances, immunities, and vulnerabilities of the nearest creature with any such attributes.

63–64 Move up to your speed and cast vampiric touch on a creature who trusts you.

65–66 Choose a creature you can see. For the next minute, they take psychic damage equal to the damage you take.

67–68 The range of your spells and Eldritch Invocations is reduced to 20 ft. for the next minute.

69–70 You bite your tongue enough to bleed, and cast banishment at the start of your next turn.

71–72 For the next minute, you cannot willingly move through a doorway or other threshold.

73–74 For the next minute, creatures more than 5 ft. from you see you as a monstrous avatar of your Patron.

75–76 Someone you have betrayed or failed learns of your current location. A chill runs down your spine.

77–78 You gain memories of a random Background other than your own, which fade after 1 hour.

79–80 You swap hair for the next hour with a random nearby creature.

81–82 For the next hour, you appear as you will the day before you die a natural death.

83–84 For the next 10 minutes, all of your spells end with a gooselike honk as a verbal component.

85–86 A thimble of honeyed milk appears at the nearest threshold.

87–88 The next thing you eat is terrifyingly spicy.

89–90 For the next hour, you keep accidentally referring to your Patron as “Dad”.

91–92 Creatures within 50 ft. each cast misty step.

93–94 You cannot rest until someone makes an uncertain deal with you.

95–96 Swap your total bonuses to Deception and to Nature for 10 minutes.

97–98 For the next 8 hours, every time you laugh it is heard telepathically by all creatures within 100 ft.

99–00 Gain an additional spell slot until you take a long rest.