Gargantuan Dragon (Chromatic), Neutral
Armor Class 25
Hit Points 481 (26d20 + 208)
Speed 40 ft., Fly 80 ft., Swim 40 ft.
STR
27 (+8)
DEX
16 (+3)
CON
26 (+8)
INT
18 (+4)
WIS
18 (+4)
CHA
22 (+6)
Saving Throws STR +16, DEX +11, WIS +12, CHA +14
Skills Perception +16, Stealth +9
Damage Resistances Fire, Psychic
Damage Immunities Acid, Poison
Condition Immunities Poisoned
Senses Blindsight 60 ft., Darkvision 120 ft., Passive Perception 26
Languages Common, Draconic
Challenge 25 (75,000 XP)
Proficiency Bonus +8
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.

Two Breath Weapons. The dragon has two breath weapons but must wait at least two rounds before using either of them.

Actions

Multiattack. The dragon makes three Rend attacks. It can replace one attack with a use of Spellcasting to cast Melf’s Acid Arrow (level 6 version).

Rend. Melee Attack Roll: +15, reach 15 ft. Hit: 17 (2d8 + 8) Slashing damage plus 9 (2d8) Acid damage plus 10 (3d6) Poison damage.

Acid Breath (Recharge 5–6). Dexterity Saving Throw: DC 22, each creature in a 90-foot-long, 10-foot-wide Line. Failure: 67 (15d8) Acid damage. Success: Half damage.

Poison Breath (Recharge 4–4). Constitution Saving Throw: DC 22, each creature in a 90-foot Cone. Failure: 77 (22d6) Poison damage. Success: Half damage. Failure or Success: Spread Miasma 30ft. all Creatures in the Miasma must make a saving throw. 

Spellcasting. The dragon casts one of the following spells, requiring no Material components and using Charisma as the spellcasting ability (spell save DC 21, +13 to hit with spell attacks):

At Will: Detect Magic, Fear, Melf’s Acid Arrow (level 6 version
2/Day Each: Create Undead, Speak with Dead, Vitriolic Sphere, Geas, Counterspell (level 8 version)

 

 

Bonus Actions

Miasma Mist. As a bonus action the Dragon may spread a Miasma mist, building a cloud with a 20ft radius. Each time this bonus action is taken the cloud grows another 20ft. Any Creature that ends its turn in the mist must make a Constitution Saving Throw: DC 20, Failure: 38 (4d12 + 12) Poison damage. Success: Half damage

Legendary Actions

Legendary Action Uses: 3 (4 in Lair). Immediately after another creature's turn , the dragon can expend a use to take one of the following actions. The dragon regains all expended uses at the start of each its turns.

Noxious Miasma. Constitution Saving Throw: DC 21, each creature in a 30-foot-radius 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. Spread Miasma 20ft.

Frightful Presence. The dragon uses Spellcasting to cast Fear. 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.

Monster Tags: undeadDimir

Habitat: Swamp

Lord_LoganCool

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