Ancient

SRD Content

Ancient

Gargantuan Dragon (Chromatic), Lawful Evil

Armor Class 21
Hit Points 402 (23d20 + 161)
Speed 40 ft., Fly 80 ft., Swim 40 ft.
STR
27
(+8)
DEX
12
(+1)
CON
25
(+7)
INT
20
(+5)
WIS
17
(+3)
CHA
22
(+6)
Saving Throws Dex +8, Wis +10
Skills Deception +13, Perception +17, Persuasion +13, Stealth +8
Immunities Poison; Poisoned
Senses blindsight 60 ft., darkvision 120 ft., Passive Perception 27
Languages Common, Draconic
Challenge 22 (41,000 XP)

Traits

Amphibious. The dragon can breathe air and water. Legendary Resistance (4/Day, or 5/Day in Lair). If the dragon fails a saving throw, it can choose to succeed instead.

Actions

Multiattack. The dragon makes three Rend attacks. It can replace one attack with a use of Spellcasting to cast Mind Spike (level 5 version). Rend. Melee Attack Roll: +15, reach 15 ft. 17 (2d8 + 8) Slashing damage plus 10 (3d6) Poison damage. Poison Breath (Recharge 5-6). Constitution Saving Throw: DC 22, each creature in a 90-foot Cone. Failure: 77 (22d6) Poison damage. Success: Half damage. Spellcasting. The dragon casts one of the following spells, requiring no Material components and using Charisma as the spellcasting ability (spell save DC 21):

  • At Will: Detect Magic, Mind Spike
  • 1e/Day Each: Geas, Modify Memory

Legendary Actions

Mind Invasion. The dragon uses Spellcasting to cast Mind Spike (level 5 version). Noxious Miasma. Constitution Saving Throw: DC 21, each creature in a 30-foot-radius Sphere [Area of Effect]|XPHB|Sphere centered on a point the dragon can see within 90 feet. Failure: 17 (5d6) Poison damage, and the target takes a -2 penalty to AC until the end of its next turn. Failure or Success: The dragon can't take this action again until the start of its next turn. Pounce. The dragon moves up to half its Speed, and it makes one Rend attack.

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