before blue demon cast reaction

Counterspell

Spells Player’s Handbook

Action, or Reaction used to cast it is wasted. If that spell was cast with a spell slot, the slot isn’t expended.

Ioun Stone

Magic Items Dungeon Master’s Guide

;Absorption (Very Rare). While this pale lavender ellipsoid orbits your head, you can take a Reaction to cancel a spell of level 4 or lower cast by a creature you can see. A canceled spell has no effect

Stone of Greater Absorption;Greater Absorption (Legendary). While this marbled lavender and green ellipsoid orbits your head, you can take a Reaction to cancel a spell of level 8 or lower cast by a

Dragon Scale Mail

Magic Items Dungeon Master’s Guide

Dragon Scale Mail is made of the scales of one kind of dragon. Sometimes dragons collect their cast-off scales and gift them. Other times, hunters carefully preserve the hide of a dead dragon. In

Dragon Scale Mail (Black);Black Acid Dragon Scale Mail (Blue);Blue Lightning Dragon Scale Mail (Brass);Brass Fire Dragon Scale Mail (Bronze);Bronze Lightning Dragon Scale Mail

Summon Fiend

Spells Player’s Handbook

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

. 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

Robe of Stars

Magic Items Dungeon Master’s Guide

This black or dark-blue robe is embroidered with small white or silver stars. You gain a +1 bonus to saving throws while you wear it. Six stars, located on the robe’s upper-front portion, are

particularly large. While wearing this robe, you can take a Magic action to remove one of the stars and expend it to cast the level 5 version of Magic Missile. Daily at dusk, 1d6 removed stars

Staff of Charming

Magic Items Dungeon Master’s Guide

This staff has 10 charges. While holding the staff , you can use any of its properties: Cast Spell. You can expend 1 of the staff’s charges to cast Charm Person, Command, or Comprehend

Languages from it using your spell save DC. Reflect Enchantment. If you succeed on a saving throw against an Enchantment spell that targets only you, you can take a Reaction to expend 1 charge from the

Wand of Orcus

Magic Items Dungeon Master’s Guide

Crafted and wielded by Orcus, this ghastly wand slips from the demon lord’s grasp from time to time. When it does, it magically appears wherever the demon lord senses an opportunity to achieve

Armor Class while holding the wand. Spells. The wand has 7 charges and regains 1d4 + 3 expended charges daily at dawn. While holding the wand, you can cast one of the spells on the following table

Rod of Absorption

Magic Items Dungeon Master’s Guide

While holding this rod, you can take a Reaction to absorb a spell that is targeting only you and doesn’t create an area of effect. The absorbed spell’s effect is canceled, and the spell

’s energy—not the spell itself— is stored in the rod. The energy has the same level as the spell when it was cast. A canceled spell dissipates with no effect, and any resources used to

Demonomicon of Iggwilv

Magic Items Dungeon Master’s Guide

;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

roll for a spell you cast against a Fiend, you use the maximum possible result instead of rolling. Random Properties. The Artifact has the following random properties (see “Artifacts” in

Find Familiar

Spells Player’s Handbook

touch, your familiar can deliver the touch. Your familiar must be within 100 feet of you, and it must take a Reaction to deliver the touch when you cast the spell. Combat. The familiar is an ally to

can see through the familiar’s eyes and hear what it hears until the start of your next turn, gaining the benefits of any special senses it has. Finally, when you cast a spell with a range of

Planar Ally

Spells Player’s Handbook

You beseech an otherworldly entity for aid. The being must be known to you: a god, a demon prince, or some other being of cosmic power. That entity sends a Celestial, an Elemental, or a Fiend loyal

to it to aid you, making the creature appear in an unoccupied space within range. If you know a specific creature’s name, you can speak that name when you cast this spell to request that creature

Staff of the Magi

Magic Items Dungeon Master’s Guide

. Spell Absorption. While holding the staff , you have Advantage on saving throws against spells. In addition, you can take a Reaction when another creature casts a spell that targets only you. If

number of charges above 50, the staff explodes as if you activated its Retributive Strike (see below). Spells. While holding the staff, you can cast one of the spells on the following table from it

War Caster

Feats Player’s Handbook

leaving your reach, you can take a Reaction to cast a spell at the creature rather than making an Opportunity Attack. The spell must have a casting time of one action and must target only that creature

Prismatic Wall

Spells Player’s Handbook

without effect. The wall sheds Bright Light within 100 feet and Dim Light for an additional 100 feet. You and creatures you designate when you cast the spell can pass through and be near the wall without

Passwall spell, or another spell of equal or greater level that can open a portal on a solid surface, destroys this layer. 5 Blue. Failed Save: 12d6 Cold damage. Successful Save: Half as much

Spellfire Storm

Spells Forgotten Realms: Heroes of Faerûn

. On a failed save, the spell dissipates with no effect, and the action, Bonus Action, or Reaction used to cast it is wasted. If that spell was cast with a spell slot, the slot isn’t expended

blue star sapphire worth 25,000+ GP), which the spell consumes. The spell’s range increases to 1 mile, and it no longer requires Concentration. When the spell is cast, each secondary caster must

Holy Star of Mystra

Spells Forgotten Realms: Heroes of Faerûn

You create a glowing mote of energy that hovers above you for the duration. The mote sheds Bright Light in a 5-foot radius and Dim Light for an additional 5 feet. When you cast this spell and as a

of level 7 or lower that targeted only you and didn't create an area of effect, you can take a Reaction to deflect that spell back at the spell's caster; the caster makes a saving throw against that spell using that caster's own spell save DC.

Aberrant Dragonmark

Feats Eberron: Forge of the Artificer

take a Reaction to roll 1d4 and add the number rolled to the save, potentially turning the failure into a success. Once you’ve used this benefit, you can’t use it again until you finish a

Long Rest. Aberrant Magic. You know one cantrip of your choice from the Sorcerer spell list. Also, choose a level 1 spell from that spell list. You always have that spell prepared. You can cast it once

Greater Mark of Passage

Feats Eberron: Forge of the Artificer

feat to cast Misty Step without a spell slot, you can also choose up to two willing creatures you can see within 30 feet of yourself before you teleport. Each target can then take a Reaction to also teleport up to 30 feet to an unoccupied space it can see.

Mythal Touched

Feats Forgotten Realms: Heroes of Faerûn

flame, takes 1d4 Fire damage, and is burning. 20 The triggering spell dissipates with no effect, and the action, Bonus Action, or Reaction used to cast it is wasted. If that spell was cast with a spell slot, the slot isn’t expended.

saving throw against a spell, you can take a Reaction to roll on the Mythal-Touched Magic table to create a magical effect. If an effect requires a saving throw, the DC equals 8 plus the modifier of

Summon Greater Demon

Spells Xanathar's Guide to Everything

You utter foul words, summoning one demon from the chaos of the Abyss. You choose the demon’s type, which must be one of challenge rating 5 or lower, such as a shadow demon or a barlgura. The

demon appears in an unoccupied space you can see within range, and the demon disappears when it drops to 0 hit points or when the spell ends. Roll initiative for the demon, which has its own turns

Drow Matron Mother Legacy

Monsters Mordenkainen’s Tome of Foes

allied demon within 30 feet of the drow uses its reaction to make one attack against a target of the drow's choice that she can see. Cast a Spell (Costs 1–3 Actions). The drow expends a spell slot to

DC 20). She can innately cast the following spells, requiring no material components: At will: dancing lights, detect magic 1/day each: clairvoyance, darkness, detect thoughts, dispel magic, faerie

Marilith (Summoner Variant) Legacy

Monsters Monster Manual (2014)

reaction on every turn in a combat.Multiattack. The marilith makes seven attacks: six with its longswords and one with its tail. Longsword. Melee Weapon Attack: +9;{"diceNotation":"1d20+9","rollType

or carrying, up to 120 feet to an unoccupied space it can see. Summon Demon (1/Day). The demon chooses what to summon and attempts a magical summoning. A marilith has a 50 percent;{"diceNotation

Drivvin Freth

Monsters Waterdeep: Dungeon of the Mad Mage

). He can innately cast the following spells, requiring no material components: At will: dancing lights 1/day each: darkness, faerie fire, levitate (self only) Magic Resistance. Drivvin has advantage

","rollType":"to hit","rollAction":"Spellcasting"} to hit with spell attacks). Drivvin can cast disguise self and invisibility at will and has the following wizard spells prepared: Cantrips (at will

Drow Mage Legacy

Monsters Monster Manual (2014)

Charisma (spell save DC 12). It can innately cast the following spells, requiring no material components: At will: dancing lights 1/day each: darkness, faerie fire, levitate (self only) Spellcasting. The

":"damage","rollAction":"Staff","rollDamageType":"poison"} poison damage. Summon Demon (1/Day). The drow magically summons a quasit, or attempts to summon a shadow demon with a 50 percent;{"diceNotation

Barlgura (summoner variant) Legacy

Monsters Monster Manual (2014)

Innate Spellcasting. The barlgura’s spellcasting ability is Wisdom (spell save DC 13). The barlgura can innately cast the following spells, requiring no material components: 1/day each

"} bludgeoning damage. Summon Demon (1/Day). The demon chooses what to summon and attempts a magical summoning. A barlgura has a 30 percent;{"diceNotation":"1d100","rollType":"roll","rollAction":"Summon

Yochlol (Summoner Variant) Legacy

Monsters Monster Manual (2014)

Charisma (spell save DC 14). The yochlol can innately cast the following spells, requiring no material components: At will: detect thoughts, web 1/day: dominate person Web Walker. The yochlol ignores

":"Slam"} to hit, reach 5 ft. (10 ft. in demon form), one target. Hit: 5 (1d6 + 2);{"diceNotation":"1d6+2","rollType":"roll","rollAction":"Slam"} bludgeoning (piercing in spider form) damage plus 21

Zuggtmoy Legacy

Monsters Out of the Abyss

Innate Spellcasting. Zuggtmoy’s spellcasting ability is Charisma (spell save DC 22). She can innately cast the following spells, requiring no material components: At will: detect magic, locate

Thrall. When Zuggtmoy is hit by an attack, one creature within 5 feet of Zuggtmoy that is charmed by her must use its reaction to be hit by the attack instead.Zuggtmoy can take 3 legendary actions

Drow Matron Mother

Monsters Mordenkainen Presents: Monsters of the Multiverse

allied demon within 30 feet of the drow uses its reaction to make one attack against a target of the drow’s choice that she can see. Demon Staff. The drow makes one Demon Staff attack. Cast a

. While in sunlight, the drow has disadvantage on attack rolls, as well as on Wisdom (Perception) checks that rely on sight.Multiattack. The drow makes two Demon Staff attacks or one Demon Staff attack

Quenthel Baenre

Monsters Out of the Abyss

save DC 15). She can innately cast the following spells, requiring no material components: At will: dancing lights 1/day each: darkness, faerie fire, levitate (self only) Spellcasting. Quenthel is a

20th-level spellcaster. Her spellcasting ability is Wisdom (save DC 20, +12;{"diceNotation":"1d20+12","rollType":"to hit","rollAction":"Spellcasting"} to hit with spell attacks). Quenthel can cast any

Drow Priestess of Lolth Legacy

Monsters Monster Manual (2014)

Charisma (spell save DC 15). She can innately cast the following spells, requiring no material components: At will: dancing lights 1/day each: darkness, faerie fire, levitate (self only) Spellcasting. The

":"Scourge","rollDamageType":"poison"} poison damage. Summon Demon (1/Day). The drow attempts to magically summon a yochlol with a 30 percent;{"diceNotation":"1d100","rollType":"roll","rollAction

Glabrezu (summoner variant) Legacy

Monsters Monster Manual (2014)

Innate Spellcasting. The glabrezu's spellcasting ability is Intelligence (spell save DC 16). The glabrezu can innately cast the following spells, requiring no material components: At will: darkness

":"bludgeoning"} bludgeoning damage. Summon Demon (1/Day). The demon chooses what to summon and attempts a magical summoning. A glabrezu has a 30 percent;{"diceNotation":"1d100","rollType":"roll

Elemental Gem Legacy

Magic Items Basic Rules (2014)

This gem contains a mote of elemental energy. When you use an action to break the gem, an elemental is summoned as if you had cast the conjure elemental spell, and the gem's magic is lost. The type

of gem determines the elemental summoned by the spell. Gem Summoned Elemental Elemental Gem (Blue Sapphire);Blue Sapphire Air Elemental Elemental Gem (Yellow Diamond);Yellow

Wood Elf Wizard

Monsters Candlekeep Mysteries

ability is Charisma (spell save DC 12). It can innately cast the following spells, requiring no material components: At will: dancing lights 1/day each: darkness, faerie fire, levitate (self only

if used with two hands, plus 3 (1d6);{"diceNotation":"1d6","rollType":"damage","rollAction":"Staff","rollDamageType":"poison"} poison damage. Summon Demon (1/Day). The wood elf magically summons a

Xvart

Monsters Mordenkainen Presents: Monsters of the Multiverse

could reveal his location to point to the nearest xvart instead. Xvarts Xvarts are cowardly, greedy creatures spawned by a renegade demigod, Raxivort. They have blue skin, orange eyes, and

unleashed his vengeance. The demon prince urged villains far and wide to pursue the Infinity Spindle for themselves and destroy Raxivort.Low Cunning. The xvart takes the Disengage action.

Molydeus

Monsters Mordenkainen Presents: Monsters of the Multiverse

. Cast a Spell (Costs 2 Actions). The molydeus uses Spellcasting.The fearsome molydeus speaks for the demon lord it serves and enforces its master’s will. This demon is 12 feet tall, and its

bipedal body has a slavering wolf’s head and a fanged serpent’s head. Its demon lord can speak and see through the serpent head; this master also uses the molydeus to guard treasures, slay

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