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Ancient Blue Dragon D&D 2024

Revised for 2024 The D&D 2014 version differs. Read the D&D 2014 version.

Challenge
23
XP
50000
Size
Gargantuan
Type
Dragon
Alignment
Lawful Evil
Armour Class
22
Hit Points
481
Hit Dice
26d20 + 208
STR
29
DEX
10
CON
27
INT
18
WIS
17
CHA
25

Traits

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 Shatter (level 3 version).

Rend. Melee Attack Roll: +16, reach 15 ft. Hit: 18 (2d8 + 9) Slashing damage plus 11 (2d10) Lightning damage.

Lightning Breath (Recharge 5-6). Dexterity Saving Throw: DC 23, each creature in a 120-foot-long, 10-foot-wide Line. Failure: 88 (16d10) Lightning 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 22): At Will: Detect Magic, Invisibility, Mage Hand, Shatter (level 3 version) 1/Day Each: Scrying, Sending

Legendary Actions

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.

RollQuest summary Senses: Blindsight 60 ft., Darkvision 120 ft.; Passive Perception 27. Languages: Common, Draconic. Skills: Perception +17, Stealth +7. Speed: 40 ft., Burrow 40 ft., Fly 80 ft.

SRD 5.2.1, p.267 · CC BY 4.0

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Licence and attribution

This work includes material taken from the System Reference Document 5.1 ("SRD 5.1") by Wizards of the Coast LLC and available at https://dnd.wizards.com/resources/systems-reference-document. The SRD 5.1 is licensed under the Creative Commons Attribution 4.0 International License available at https://creativecommons.org/licenses/by/4.0/legalcode. RollQuest has adapted this material: it is reorganised into rules data, and some entries are reworded, abridged or corrected.

This work includes material from the System Reference Document 5.2.1 ("SRD 5.2.1") by Wizards of the Coast LLC, available at https://www.dndbeyond.com/srd. The SRD 5.2.1 is licensed under the Creative Commons Attribution 4.0 International License, available at https://creativecommons.org/licenses/by/4.0/legalcode. RollQuest has adapted this material: it is reorganised into rules data, and some entries are reworded, abridged or corrected.

Dungeons & Dragons and D&D are trademarks of Wizards of the Coast LLC. RollQuest is not affiliated with or endorsed by Wizards of the Coast. Both notices are also on the SRD licences page.