Gargantuan Elemental, typically Chaotic Evil
Armor Class 19 (natural armor)
Hit Points 402 (23d20 + 161)
Speed 40 ft.
STR
25 (+7)
DEX
10 (+0)
CON
24 (+7)
INT
9 (-1)
WIS
16 (+3)
CHA
10 (+0)
Saving Throws Wis +10, Cha +7
Damage Resistances cold, fire, lightning; bludgeoning, piercing, and slashing from nonmagical attacks
Damage Immunities poison
Condition Immunities exhaustion, paralyzed, petrified, poisoned, prone
Senses passive Perception 13
Languages Giant, Primordial
Challenge 22 (41000 XP)
Proficiency Bonus +7
Awakening of the Scion.
Legendary Resistance (5/Day).
Magic Resistance.
Siege Monster.
Actions
Multiattack.
Slam.
Spit Rock.
Grasping Root.
Rolling Hills (Recharge 6).