Chef Augustus Blackstone

If You Can't Take the Heat, Get Out of the Kitchen. Chef Blackstone is resistant to fire damage, and all spells he casts deal fire damage instead of their original damage types. 

Legendary Resistance (3/Day). If Chef Blackstone fails a saving throw, he can choose to succeed instead.

Spellcasting. Chef Blackstone is a 12th-level spellcaster. His spellcasting ability is Charisma (spell save DC 15, +7 to hit with spell attacks). Chef Blackstone has the following Sorcerer spells prepared:
Cantrips (at will): acid splash, fire bolt, mending, message, mind sliver, prestidigitation 

1st level (4 slots): burning hands, chromatic orb, shield 

2nd level (3 slots): Aganazzar’s Scorcher, Pyrotechnics, Scorching Ray

3rd level (3 slots): Fireball, Melf's Minute Meteors

4th level (3 slots): polymorph,wall of fire 

5th level (2 slots): cone of cold

6th level (1 slot): Tasha's Otherworldly Guise 

Sorcery Points. Chef Blackstone has 12 sorcery points. It can spend 1 or more sorcery points as a bonus action to gain one of the following benefits:

Heightened Spell: When it casts a spell that forces a creature to make a saving throw to resist the spell’s effects, Chef Blackstone can spend 3 sorcery points to give one target of the spell disadvantage on its first saving throw against the spell.

Quickened Spell: When Chef Blackstone casts a spell, he can spend 2 sorcery point to cast the spell as part of the same bonus action.

Multi-attack. Chef Blackstone makes two melee with either his spatula or cleaver, or two ranged attacks with his steak knives. 

Hot Spatula. Melee Weapon Attack or Ranged Weapon Attack: +7 to hit, reach 5 ft. or range 20/60 ft., 1 target.  Hit:  5 (1d4+3)  fire damage.

Steak Knives Ranged Weapon Attack: +7 to hit,  range 20/60 ft., one target.  Hit:  5 (1d4+3) piercing damage.

Cleaver. Melee Weapon Attack: +7 to hit, reach 5 ft., hit 1 target. Hit: 4 (1d10-1) piercing damage.

Chef Blackstone can take 3 legendary actions, choosing from the options below. Only one legendary action option can be used at a time and only at the end of another creature's turn. Chef Blackstone regains spent legendary actions at the start of his turn.

Move. Chef Blackstone moves up to his speed without provoking opportunity attacks.

Hot Spatula. Chef Blackstone makes one hot spatula attack. 

Cantrip. Chef Blackstone casts a cantrip.