Tobi Kadachi

Huge Monstrosity, Lawful Neutral
AC: 22
HP: 414
Speed: 50', Fly: 50'
Str: 32 (+11)
Dex: 32 (+11)
Con: 30 (+10)
Int: 20 (+5)
Wis: 28 (+9)
Char: 20 (+5)
Skills: Perception +17, Stealth +19
Dmg Immunity: Force Lightning, Bludgeoning, piercing, and slashing from nonmagical attacks that aren't silver
Senses: Blindsight: 120', PP: 27
Languages: Understands all but does not speak, Telepathy 150'
Challenge: 12 (8,400 XP)

Static Charge: After 4 hits of any kind, a lightning charge escapes from the creature's form and an additional 2d20 lightning dmg is dishcarged out to about 60'

Legendary Resistance (3/Day): If the Tobi Kadachi fails a ST, it can choose to succeed instead.

Actions
Multiattack: The Tobi Kadachi makes three attacks; One with its bite and two with its claws.

Bite: Melee Weapon Attack: +15 to hit, reach 15', on target. Hit (3d12+12) piercing dmg.
Claw: Melee Weapon Attack: +15 to hit, reach 15', on target. Hit (2d12+12) slashing dmg.

Legendary Actions
The Tobi Kadachi can take 3 legendary actions, choosing from the options belw. Only one legendary action option can be used at a time and only at the end of another creature's turn. The Tobi Kadachi regains spent legendary actions at the start of it's turn.

Fly by Attack: A repulsion of energy, like a shield around the creture's body, 3d10 dmg of force will hit creatures 30' from the fly-by. The creature doesn't provoke an attack of opportunity when it flies out of an enemy's reach.

Lightnight Touch: Melee Weapon Attack: +10 to hit, reach 5', one target. Hit: 6d8 lightning dmg, and lightning jumps from the target to on creature to of the Tobi's choice, that it can see within 30' of the target. That second creature must succeed on a DC: 20 Dex ST or take 6d8 lightning dmg.

Reactions
Crackling Death: When the creature dies, it explodes. Each creature within 30' of it must make a DC 20 Dex ST, taking 8d8 lightning dmg on a failed save, or half as much dmg on a successful one. The explosion destroys the Tobi but the soul returns to it's maker, Goddess Kala to be re-born agin.