SRD5:Adult Blue Dragon

Blue Dragon exists in other D&D editions see:

Blue Dragon (disambiguation).

This material from the 5th edition SRD is published under the OGL and CC-BY

Adult Blue Dragon [SRD5 OGL/CC-BY]
Huge Dragon (Chromatic Dragons, Blue Dragons), Lawful Evil
Armor Class: 19 (natural armor)
Hit Points: 225 (18d12+108)
Speed: 40 ft., burrow 30 ft., fly 80 ft.
STR DEX CON INT WIS CHA 25 (+7) 10 (+0) 23 (+6) 16 (+3) 15 (+2) 19 (+4)
Saving Throws: Dex +5, Con +11, Wis +7, Cha +9
Skills: Perception +12, Stealth +5
Damage Immunity: lightning
Senses: blindsight 60 ft., darkvision 120 ft., passive Perception 22
Languages: Common, Draconic
Habitat: Coastal, Desert
Challenge: 16 (15,000 xp)Proficiency Bonus (PB): +5
Features Legendary Resistance (3/Day). If the dragon fails a saving throw, it can choose to succeed instead.  Actions Multiattack. The dragon can use its Frightful Presence. It then makes three attacks: one with its bite and two with its claws. Bite. Melee Weapon Attack: +12 to hit, reach 10 ft., one target. Hit: 18 (2d10+7) piercing damage plus 5 (1d10) lightning damage. Claw. Melee Weapon Attack: +12 to hit, reach 5 ft., one target. Hit: 14 (2d6+7) slashing damage. Tail. Melee Weapon Attack: +12 to hit, reach 15 ft., one target. Hit: 16 (2d8+7) bludgeoning damage. Frightful Presence. Each creature of the dragon’s choice that is within 120 feet of the dragon and aware of it must succeed on a DC 17 Wisdom saving throw or become frightened for 1 minute. A creature can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success. If a creature’s saving throw is successful or the effect ends for it, the creature is immune to the dragon’s Frightful Presence for the next 24 hours. Lightning Breath (Recharge 5-6). The dragon exhales lightning in a 90-foot line that is 5 feet wide. Each creature in that line must make a DC 19 Dexterity saving throw, taking 66 (12d10) lightning damage on a failed save, or half as much damage on a successful one.  Legendary Actions The 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. The dragon regains spent legendary actions at the start of its turn. Detect. The dragon makes a Wisdom (Perception) check. Tail Attack. The dragon makes a tail attack. Wing Attack (Costs 2 Actions). The dragon beats its wings. Each creature within 15 feet of the dragon must succeed on a DC 20 Dexterity saving throw or take 14 (2d6+7) bludgeoning damage and be knocked prone. The dragon can then fly up to half its flying speed.

End of the SRD5 material

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Unofficial Description: Blue Dragon over 100 years old.

Variant: Dragons as Innate Spellcasters

Many dragons have the ability to innately cast spells. Their Spellcasting Ability is Charisma, which also determines the number of spells it can cast.

Blue Dragon's Lair

 Blue dragons dig their lairs of "crystalized caverns and tunnels" in isolated, barren lands.

Lair Actions

 When fighting inside its lair, an blue dragon can use lair actions. On initiative count 20 (losing initiative ties), the dragon takes a lair action to cause one of the following effects; the dragon can’t use the same effect two rounds in a row:

• Ceiling Collapses
• Cloud of Sand
• Lightning Arcs
• Thunderstorms
• Dust Devils
• Hidden Sinkholes

If the dragon dies, the effects fade over 1d10 days.

Sources and Notes

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