Cake the Chaos King of Pain

Perseverance (3/Day). Cake can reroll a saving throw they fail. They must use the new roll.

Punishment. One-per-turn, Cake can inflict 1d4 damage to themself in order to add 1D6 to the next attack Cake makes.

Spellcasting. Cake is a 3rd-level spellcaster. Their spellcasting ability is Charisma (spell save DC 17, +9 to hit with spell attacks). Cake know the following spells:
Cantrips (at will): thorn whip
3rd level (3/Day): vampiric touch

Spine Rush. Cake performs three weapon attacks.

Spine Gauntlets. Melee Weapon Attack: +7 to hit, reach 5 ft., one target. Hit: 12 (2d6 + 5) piercing damage. 

Pain Bodysuit Obliterate. Ranged Weapon Attack: +6 to hit, range 10/70 ft., one target. Hit: 6 (1d6 + 3) piercing damage.

Cake 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. Cake regains spent legendary actions at the start of their turn.

Pain Bodysuit Ambush. Cake targets on enemy it can see and makes a Pain Bodysuit Obliterate ranged weapon attack. 

Uninterrupted Anguish (Costs 2 Actions). Cake slams the ground with their Spine Gauntlets and sends a spine drilling to one enemy in a range of 20 feet that they can see. The spine erupts from the ground and the enemy is knocked prone.