Bowser Jr.

AC 19 Koopa Clown Car Initiative +5 (15)

HP 225 (30d8 + 90)

Speed 30 ft., fly 50 ft. Koopa Clown Car

Resistances Fire, Lightning, Psychic

Immunities ,

Senses 60 feet, Passive Perception 11

Languages Common, Draconic

CR 14 (XP 11,500; PB +5)

Traits

Arcane Clown Car (Vehicle Trait): Bowser Jr. pilots his personal flying vehicle, giving him a flying speed and allowing him to hover. If reduced to 0 HP, the Clown Car explodes (see “Self-Destruct”).
Legendary Resistance (2/day): If Bowser Jr. fails a saving throw, he can choose to succeed instead.
Spellcasting: Bowser Jr. is a 10th-level spellcaster. Charisma is his spellcasting ability (spell save DC 17, +9 to hit).
He knows the following spells:
- Cantrips (at will): fire bolt, minor illusion, prestidigitation
- 1st level (4 slots): shield, chromatic orb
- 2nd level (3 slots): mirror image, misty step
- 3rd level (3 slots): counterspell, fireball
- 4th level (2 slots): dimension door
- 5th level (1 slot): wall of force

Actions

Magikoopa Blaster (Ranged Weapon Attack): +10 to hit, range 90 ft., one target. Hit: 21 (4d8 + 3) force damage.
On a crit, it applies a random wild magic surge from the Sorcerer table.
Clown Car Chomp (Melee Weapon Attack): +8 to hit, reach 5 ft., one target. Hit: 18 (3d10 + 2) piercing damage.
Paintbrush Trickery (Recharge 5–6): Bowser Jr. paints an illusionary hazard in a 10-foot square within 60 ft. Creatures entering or starting their turn in that area must succeed on a DC 17 Intelligence (Investigation) check or treat it as real (e.g., fall into fake pit, take illusory damage, etc.).
Self-Destruct (1/day): When reduced to 0 HP, Bowser Jr.’s Clown Car detonates in a 20-foot radius. All creatures in the area must make a DC 18 Dexterity saving throw, taking 35 (10d6) fire damage on a failed save, or half as much on a success.

Bonus Actions

Tactical Menace (Recharge 5–6): As a bonus action, Bowser Jr. can mark one creature within 60 ft. Until the end of Jr.’s next turn, that creature has disadvantage on saving throws against Jr.’s attacks and abilities.
Cunning Action: Bowser Jr. can Dash, Disengage, or Hide as a bonus action.

Legendary Actions

Legendary Actions (3/round)

Paint Minion (Costs 1): Summons a magical paint construct (use Quasit stats with vulnerability to radiant damage) within 10 ft. of him.
Reposition (Costs 1): Bowser Jr. moves up to half his flying speed without provoking opportunity attacks.
Explosive Paintball (Costs 2): Fires a glowing orb of energy. Target must succeed on a DC 17 Dexterity saving throw or take 22 (4d10) force damage and be knocked prone.

Reality Rewrite (Lair Action – Initiative count 20):
- Bowser Jr. “repairs” or redraws the battlefield, causing:
  - Platforms to shift places.
  - Gravity to tilt (all flying creatures must succeed on a DC 15 Strength saving throw or be flung 10 ft in a random direction).
  - Portals to reappear elsewhere.
Graffiti Minions:
- At 50% HP, Bowser Jr. paints 3 chaotic minions (use Quasits with the “Chaotic Paint” trait: immune to magic missile, vulnerable to radiant).
  
  Animated Paint (Initiative count 10 each round):
  - Swirls animate and form one random hazard:
    1. Fire stroke: Line of fire (30 ft x 5 ft), DC 16 Dex save or 4d6 fire damage.
    2. Acid splash: 15-ft cone, DC 16 Con save or 3d8 acid damage and -1 to AC for 1 round.
    3. Sticky ink: 20-ft radius zone becomes difficult terrain; DC 15 Dex save or restrained until end of next turn.
    4. Healing aura (if Bowser Jr. is bloodied): He regains 15 HP.

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