SRD 5.2 SRD 5.2.1 (current printing)

SRD 5.1 SRD 5.1

Ancient Blue Dragon

Gargantuan Dragon, Lawful Evil

AC 22 (natural armor)

Initiative +14

HP 481 (26d20 + 208)

Speed 40 ft., fly 80 ft., swim 20 ft., climb 20 ft., burrow 40 ft., crawl 20 ft.

STR DEX CON INT WIS CHA
Score
Save
Skills
,
Immunities
Lightning
Senses
passive Perception 27, darkvision 120 ft., blindsight 60 ft.
Languages
Common, Draconic
CR
23 (50,000 XP)

Traits

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

Actions

Dexterity Saving Throw: DC 23, each creature in a 120-foot-long, 10-foot-wide Line. Failure: . Success: Half damage.
The dragon makes three Rend attacks. It can replace one attack with a use of Spellcasting to cast Shatter (level 3 version).
Melee Attack Roll: , reach 15 ft. .
The dragon casts one of the following spells, requiring no Material components and using Charisma as the spellcasting ability (spell save DC 22): - **At Will:** Detect Magic, Invisibility, Mage Hand, Shatter - **1/Day Each:** Scrying, Sending

Legendary Actions

3 Legendary Actions Ancient Blue Dragon can take 3 Legendary Actions, choosing from the options below. Only one Legendary Action option can be used at a time, and only at the end of another creature's turn. Ancient Blue Dragon regains spent Legendary Actions at the start of its turn.
Cloaked Flight. The dragon uses Spellcasting to cast Invisibility on itself, and it can fly up to half its Fly Speed. The dragon can't take this action again until the start of its next turn.
Sonic Boom. The dragon uses Spellcasting to cast Shatter (level 3 version). The dragon can't take this action again until the start of its next turn.
Tail Swipe. The dragon makes one Rend attack.

Lifecycle

Follow this creature’s possible stages of maturity.

Matures into Blue Dragon Wyrmling CR 3 Young Blue Dragon CR 9 Adult Blue Dragon CR 16
Ancient Blue Dragon Current stage CR 23
Blue Dragon Egg Known stage

Creature Harvest Index: Dragons adds Loot to this creature. View


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