Actions

Blue Dragon

From Hayashi Park Potterverse for 5th ed. Dungeons and Dragons (5e)


On hit, "that attack was clawsome"

On breath weapon: "this might come as a shock"


Potterverse Equivalent: Swedish Short-Snout Dragon


Ancient Blue Dragon

Gargantuan dragon, lawful evil

Armor Class 
22 (natural armor)
Hit Points 
481 (26d20 + 208)
Speed 
40 ft., burrow 40 ft., fly 80 ft.
STR DEX CON INT WIS CHA
29 (+9) 10 (+0) 27 (+8) 18 (+4) 17 (+3) 21 (+5)
Saving Throws 
Dex +7, Con +15, Wis +10, Cha +12
Skills 
Perception +17, Stealth +7
Damage Immunities 
lightning
Senses  
blindsight 60 ft., darkvision 120 ft., passive Perception 27
Languages 
Common, Draconic
Challenge  
23 (50,000 XP)

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: +16 to hit, reach 15 ft., one target. Hit: 20 (2d 10 + 9) piercing damage plus 11 (2d 10) lightning damage.
Claw 
Melee Weapon Attack: +16 to hit, reach 10 ft., one target. Hit: 16 (2d6 + 9) slashing damage.
Tail 
Melee Weapon Attack: +16 to hit, reach 20 ft., one target. Hit: 18 (2d8 + 9) 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 20 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 120-foot line that is 10 feet wide. Each creature in that line must make a DC 23 Dexterity saving throw, taking 88 (16dl0) 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 24 Dexterity saving throw or take 16 (2d6 + 9) bludgeoning damage and be knocked prone. The dragon can then fly up to half its flying speed.

Adult Blue Dragon

Huge dragon , lawful evil

Armor Class 
19 (natural armor)
Hit Points 
225 (18dl2 + 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 Immunities 
lightning
Senses 
blindsight 60 ft., darkvision 120 ft., passive Perception 22
Languages 
Common, Draconic
Challenge  
16 (15,000 XP)

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 (2d 10 + 7) piercing damage plus 5 (Id 10) 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 ( 12d 10) 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 10 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.

Young Blue Dragon

Large dragon, lawful evil

Armor Class 
18 (natural armor)
Hit Points 
152 (16dl0 + 64)
Speed 
40 ft., burrow 20 ft., fly 80 ft.
STR DEX CON INT WIS CHA
21 (+5) 10 (+0) 19 (+4) 14 (+2) 13 (+1) 17 (+3)
Saving Throws 
Dex +4, Con +8, Wis +5, Cha +7
Skills 
Perception +9, Stealth +4
Damage Immunities 
lightning
Senses 
blindsight 30 ft., darkvision 120 ft., passive Perception 19
Languages 
Common, Draconic
Challenge  
9 (5,000 XP)

Actions

Multiattack 
The dragon makes three attacks: one with its bite and two with its claws.
Bite 
Melee Weapon Attack: +9 to hit, reach 10 ft., one target. Hit: 16 (2dl0 + 5) piercing damage plus 5 (ldlO) lightning damage.
Claw 
Melee Weapon Attack: +9 to hit, reach 5 ft., one target. Hit: 12 (2d6 + 5) slashing damage.
Lightning Breath 
(Recharge 5-6). The dragon exhales lightning in an 60-foot line that is 5 feet wide. Each creature in that line must make a DC 16 Dexterity saving throw, taking 55 (10d10) lightning damage on a failed save, or half as much damage on a successful one.

Blue Dragon Wyrmling

Medium dragon , lawful evil

Armor Class 
17 (natural armor)
Hit Points 
52 (8d8 + 16)
Speed 
30 ft., burrow 15 ft., fly 60 ft.
STR DEX CON INT WIS CHA
17 (+3) 10 (+0) 15 (+2) 12 (+1) 11 (+0) 15 (+2)
Saving Throws 
Dex +2, Con +4, Wis +2, Cha +4
Skills 
Perception +4, Stealth +2
Damage Immunities 
lightning
Senses  
blindsight 10 ft., darkvision 60 ft., passive Perception 14 Languages Draconic Challenges (700 XP)

Actions

Bite 
Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit: 8 (ldlO + 3) piercing damage plus 3 (ld6) lightning damage.
Lightning Breath 
(Recharge 5-6). The dragon exhales lightning in a 30-foot line that is 5 feet wide. Each creature in that line must make a DC 12 Dexterity saving throw, taking 22 (4d 10) lightning damage on a failed save, or half as much damage on a successful one.