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Ancient Blue Dragon

CR 23 dragon • D&D 5e Homebrew Creature

Created by @LightReign

Ancient Blue Dragon

Gargantuan dragon, Lawful Evil

LEGENDARY
CHALLENGE
23
50000 XP

Ability Scores

STR
29(+9)
DEX
10(+0)
CON
27(+8)
INT
18(+4)
WIS
17(+3)
CHA
25(+7)
ARMOR CLASS
22
HIT POINTS
481
26d20 + 208
SPEED
40 ft., fly 80 ft., burrow 30 ft.
INITIATIVE
24
+14

Saving Throws

STR+9
Base modifier
DEX+7
Proficient
CON+8
Base modifier
INT+4
Base modifier
WIS+10
Proficient
CHA+7
Base modifier
Damage Immunities
Lightning
Senses
Blindsight 60 ft., Darkvision 120 ft.; Passive Perception 27, passive Perception 13
Languages
Common, Draconic

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
5-6

Dexterity Saving Throw: DC 23, each creature in a 120-foot-long, 10-footwide 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

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 of its turns.
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.

Creator Notes

By LightReign

Official D&D 5e SRD creature. Imported from local data file.

Created by @LightReign
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