Niv-Mizzet

Traits

Legendary Resistance (3/Day)

If Niv-Mizzet fails a saving throw, he can choose to succeed instead.

Locus of the Firemind

Niv-Mizzet can maintain concentration on two different spells at the same time. In addition, he has advantage on saving throws to maintain concentration on spells.

Magic Resistance

Niv-Mizzet has advantage on saving throws against spells and other magical effects.

Master Chemister

When Niv-Mizzet casts a spell that deals damage, he can change the spell's damage to cold, fire, force, lightning, or thunder.

Actions

Multiattack

Niv-Mizzet makes three attacks: one with his bite and two with his claws.

Bite

Melee Weapon Attack: +17 to hit, reach 15 ft., one target. Hit: 18 (2d8 + 9) piercing damage plus 14 (4d6) fire damage.

Claw

Melee Weapon Attack: +17 to hit, reach 10 ft., one target. Hit: 14 (2d4 + 9) slashing damage.

Tail

Melee Weapon Attack: +17 to hit, reach 20 ft., one target. Hit: 16 (2d6 + 9) bludgeoning damage.

Fire Breath (Recharge 5–6)

Niv-Mizzet exhales fire in a 90-foot cone. Each creature in that area must make a DC 25 Dexterity saving throw, taking 91 (26d6) fire damage on a failed save, or half as much damage on a successful one.

Legendary action uses: 3. The creature can use one option at the end of another creature’s turn and regains spent uses at the start of its turn.

Legendary actions

Cantrip

Niv-Mizzet casts one of his cantrips.

Tail Attack

Niv-Mizzet makes a tail attack.

Wing Attack (Costs 2 Actions)

Niv-Mizzet beats his wings. Each creature within 15 feet of him must succeed on a DC 25 Dexterity saving throw or take 14 (2d4 + 9) bludgeoning damage and be knocked prone. Niv-Mizzet can then fly up to half his flying speed.

Dracogenius (Costs 3 Actions)

Niv-Mizzet regains a spell slot of 3rd level or lower.

Spellcasting

Niv-Mizzet is a 20th-level Izzet spellcaster. His spellcasting ability is Intelligence (spell save DC 26, +18 to hit with spell attacks). He has the following wizard spells prepared:

Spell slots: 0: spells: fire bolt, light, prestidigitation, ray of frost, shocking grasp; 1: slots: 4; spells: detect magic, magic missile, shield, thunderwave, unseen servant; 2: slots: 3; spells: blur, enlarge/reduce, flaming sphere, hold person, scorching ray; 3: slots: 3; spells: counterspell, fireball, lightning bolt, slow; 4: slots: 3; spells: confusion, dimension door, fabricate; 5: slots: 2; spells: conjure elemental, polymorph, wall of fire, wall of force; 6: slots: 1; spells: chain lightning, disintegrate, true seeing; 7: slots: 1; spells: project image, reverse gravity, teleport; 8: slots: 1; spells: control weather, maze, power word stun; 9: slots: 1; spells: prismatic wall