most score with only advisors fiendish for level

Spirit Naga

Monsters Monster Manual

Fiendish Restoration. If it dies, the naga returns to life in 1d6;{"diceNotation":"1d6", "rollType":"roll", "rollAction":"Fiendish Restoration"} days and regains all its Hit Points. Only a Wish spell

Each: Detect Thoughts, Dimension Door, Hold Person (level 3 version), Lightning Bolt (level 4 version)Poison

Ultroloth

Monsters Monster Manual

, Fireball (level 5 version), Wall of FireAcid, PoisonCold, Fire, LightningFiendish Guile (Recharge 4–6);{"diceNotation":"1d6", "rollType":"recharge", "rollAction":"Fiendish Guile"}. The ultroloth

Fiendish Restoration. If the ultroloth dies outside Gehenna, its body dissolves into ichor, and it gains a new body instantly, reviving with all its Hit Points somewhere in Gehenna. Magic Resistance

Spirit Guardians

Spells Player’s Handbook

Protective spirits flit around you in a 15-foot Emanation for the duration. If you are good or neutral, their spectral form appears angelic or fey (your choice). If you are evil, they appear fiendish

) or 3d8 Necrotic damage (if you are evil). On a successful save, the creature takes half as much damage. A creature makes this save only once per turn. Using a Higher-Level Spell Slot. The damage increases by 1d8 for each spell slot level above 3.

Summon Fiend

Spells Player’s Handbook

. Fiendish Spirit Large Fiend, Neutral AC 12 + the spell’s level HP 50 (Demon only) or 40 (Devil only) or 60 (Yugoloth only) + 15 for each spell level above 6 Speed 40 ft.; Climb 40 ft

You call forth a fiendish spirit. It manifests in an unoccupied space that you can see within range and uses the Fiendish Spirit stat block. When you cast the spell, choose Demon, Devil, or Yugoloth

Demonomicon of Iggwilv

Magic Items Dungeon Master’s Guide

, regardless of what level spell slot you used, if any. Additionally, the Fiend has Disadvantage on its saving throw against the spell. Fiendish Scourging. While carrying the book, when you make a damage

;typically an assortment of demons. Ensnarement. While carrying the book, whenever you cast Magic Circle naming only Fiends or cast Planar Binding targeting a Fiend, the spell is cast at level 9

Wish

Spells Player’s Handbook

cast a spell until you finish a Long Rest, you take 1d10 Necrotic damage per level of that spell. This damage can’t be reduced or prevented in any way. In addition, your Strength score becomes 3

Wish is the mightiest spell a mortal can cast. By simply speaking aloud, you can alter reality itself. The basic use of this spell is to duplicate any other spell of level 8 or lower. If you use it

Space Clown

Monsters Spelljammer: Adventures in Space

. Hit: 7 (2d6);{"diceNotation":"2d6","rollType":"damage","rollAction":"Ray Gun","rollDamageType":"psychic"} psychic damage, and if the target is a Humanoid with an Intelligence score of 3 or higher, it

and the nectar of the bozo flower. Eventually, Thrill Joy transformed the faithful into fiendish creatures and “blessed” them with clown-like appearances. Space clowns acquired their

K'thriss Drow'b

Monsters Acquisitions Incorporated

each: darkness, faerie fire Spellcasting. K'thriss is a 5th-level spellcaster. His spellcasting ability is Charisma (spell save DC 14, +6;{"diceNotation":"1d20+6","rollType":"to hit","rollAction

blast, mending, prestidigitation, thorn whip, vicious mockery 1st–3rd level (2 3rd-level slots): dissonant whispers, fly, hex, misty step, sending, shatterMultiattack. K'thriss makes two attacks with his

Daemogoth

Monsters Strixhaven: A Curriculum of Chaos

daemogoth dies, or the pact is broken by any effect that can remove a curse. The daemogoth chooses one spell from the necromancy or enchantment school that is 3rd level or lower. The bound creature can

heal.Slipping through the darkest corners of the world, daemogoths are powerful fiendish creatures that feed on misery and other negative emotions. Some sages refer to daemogoths as tear lickers, owing to

Draconian Mastermind

Monsters Fizban's Treasury of Dragons

gains 1 level of exhaustion. On a successful save, the creature takes half as much damage, doesn’t gain exhaustion, and is immune to all draconians’ Noxious Breath for 24 hours. Spellcasting

commanders or as advisors to those who created them. They emerge from gold, red, or amethyst dragon eggs, wingless but possessed of an arsenal of eldritch power. Like their dragon progenitors

Mordakhesh

Monsters Eberron: Rising from the Last War

, destructive wave, fly, mass suggestion, staggering smite, suggestion, true seeing Limited Magic Immunity. Mordakhesh can't be affected or detected by spells of 6th level or lower unless he wishes to be

fiends and dragons waged war across Eberron, rakshasas served the fiendish lords as strategists and generals. A rakshasa named Mordakhesh rose up through the ranks to become one of the greatest

Sibriex

Monsters Mordenkainen Presents: Monsters of the Multiverse

save, the target is poisoned, which causes it to also gain 1 level of exhaustion. While poisoned in this way, the target must repeat the saving throw at the start of each of its turns. Three

successful saves against the poison end it, and ending the poison removes any levels of exhaustion caused by it. Each failed save causes the target to gain another level of exhaustion. Once the target reaches

Elder Brain

Monsters Mordenkainen Presents: Monsters of the Multiverse

Creature Sense. The elder brain is aware of the presence of creatures within 5 miles of it that have an Intelligence score of 4 or higher. It knows the distance and direction to each creature, as

well as each one’s Intelligence score, but can’t sense anything else about it. A creature protected by a mind blank spell, a nondetection spell, or similar magic can’t be perceived in

Demonomicon of Iggwilv Legacy

Magic Items Tasha’s Cauldron of Everything

do so, you can add double your proficiency bonus to the check. Fiendish Scourging. Your magic causes pain to fiends. While carrying the book, when you make a damage roll for a spell you cast against

targeting a fiend, the spell is cast at 9th level, regardless of what level spell slot you used, if any. Additionally, the fiend has disadvantage on its saving throw against the spell. Containment. The

Deck of Many More Things

Magic Items The Book of Many Things

): acid, cold, fire, lightning, or thunder. Expert. Your Dexterity score increases by 2, to a maximum of 22. Fey. A fey crossing opens into the Feywild, and you’re immediately pulled through it

stop drawing from the deck, regardless of how many cards you initially declared. Lance. All your ability scores increase by 1, to a maximum of 20. Mage. Your Intelligence score increases by 2, to a

Sword of Zariel

Magic Items Baldur’s Gate: Descent into Avernus

radiant damage. Divine Presence. Your Charisma score becomes 20, unless it is already 20 or higher. Feathered Wings. You sprout a beautiful pair of feathered wings that grant you a flying speed of 90

paladin of at least 10th level. If Zariel is killed for good (that is, if she dies in the Nine Hells), the sword becomes no harder to destroy than a normal longsword.

Succubus

monsters Monster Manual

);{"diceNotation":"2d10+5", "rollType":"damage", "rollAction":"Fiendish Touch", "rollDamageType":"Psychic"} Psychic damage. Charm. The succubus casts Dominate Person (level 8 version), requiring no spell

Incubus Form. When the succubus finishes a Long Rest, it can shape-shifting;shape-shift into an Incubus, using that stat block instead of this one.Multiattack. The succubus makes one Fiendish Touch

Ioun Stone Legacy

Magic Items Basic Rules (2014)

targeted by a spell whose level is higher than the number of spell levels the stone has left, the stone can't cancel it. Ioun Stone of Insight;Insight (Very Rare). Your Wisdom score increases by 2, to a

). While this pale lavender ellipsoid orbits your head, you can use your reaction to cancel a spell of 4th level or lower cast by a creature you can see and targeting only you. Once the stone has

Bestow Curse Legacy

Spells Basic Rules (2014)

following options: Choose one ability score. While cursed, the target has disadvantage on ability checks and saving throws made with that ability score. While cursed, the target has disadvantage on

be no more powerful than those described above. The DM has final say on such a curse's effect. At Higher Levels. If you cast this spell using a spell slot of 4th level or higher, the duration is

Arcane Hand Legacy

Spells Basic Rules (2014)

hand moves with the target to remain within 5 feet of it. Grasping Hand. The hand attempts to grapple a Huge or smaller creature within 5 feet of it. You use the hand's Strength score to resolve the

command. The hand moves to stay between you and the target, providing you with half cover against the target. The target can't move through the hand's space if its Strength score is less than or equal to

Bigby's Hand Legacy

Spells Player’s Handbook (2014)

hand moves with the target to remain within 5 feet of it. Grasping Hand. The hand attempts to grapple a Huge or smaller creature within 5 feet of it. You use the hand's Strength score to resolve the

command. The hand moves to stay between you and the target, providing you with half cover against the target. The target can't move through the hand's space if its Strength score is less than or equal to

Spirit Guardians Legacy

Spells Basic Rules (2014)

evil, they appear fiendish. When you cast this spell, you can designate any number of creatures you can see to be unaffected by it. An affected creature's speed is halved in the area, and when the

) or 3d8 necrotic damage (if you are evil). On a successful save, the creature takes half as much damage. At Higher Levels. When you cast this spell using a spell slot of 4th level or higher, the damage increases by 1d8 for each slot level above 3rd.

Thayan Spell Tattoo

magic-items

This magical tattoo contains the essence of a level 1–3 spell chosen by the tattoo’s creator. While the tattoo is on your body, you always have the associated spell prepared, and you can

cast the spell using any spell slots you have of the appropriate level. If you have the Spellcasting or Pact Magic feature, the spell uses your spellcasting ability; otherwise, if the spell requires a

Infernal Constitution

Feats Xanathar's Guide to Everything

Fiendish blood runs strong in you, unlocking a resilience akin to that possessed by some fiends. You gain the following benefits: Increase your Constitution score by 1, to a maximum of 20. You

Summon Fiend Legacy

Spells Tasha’s Cauldron of Everything

higher level wherever the spell’s level appears in the stat block. Fiendish Spirit Large fiend Armor Class 12 + the level of the spell (natural armor) Hit Points 50 (Demon only) or 40 (Devil

You call forth a fiendish spirit. It manifests in an unoccupied space that you can see within range. This corporeal form uses the Fiendish Spirit stat block. When you cast the spell, choose Demon

Deck of Many Things Legacy

Magic Items Basic Rules (2014)

-handedly defeat the next hostile monster or group of monsters you encounter, you gain experience points enough to gain one level. Otherwise, this card has no effect. Donjon. You disappear and become

, discard this card, and draw from the deck again, counting both draws as one of your declared draws. If losing that much XP would cause you to lose a level, you instead lose an amount that leaves you

Elder Brain Legacy

Monsters Volo's Guide to Monsters

Creature Sense. The elder brain is aware of the presence of creatures within 5 miles of it that have an Intelligence score of 4 or higher. It knows the distance and direction to each creature, as

well as each one’s Intelligence score, but can’t sense anything else about it. A creature protected by a mind blank spell, a nondetection spell, or similar magic can’t be perceived in

Book of Exalted Deeds Legacy

Magic Items Dungeon Master’s Guide (2014)

Wisdom score increases by 2, to a maximum of 24. You can’t gain this benefit from the book more than once. Enlightened Magic Once you’ve read and studied the book, any spell slot you

expend to cast a cleric or paladin spell counts as a spell slot of one level higher. Halo Once you’ve read and studied the book, you gain a protective halo. This halo sheds bright light in a

Air Genasi