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System Reference Document 5.2.1
MOD SAVE MOD SAVE MOD SAVE
Str 15 +2 +2 Dex 14 +2 +4 Con 13 +1 +1
Int 10 +0 +0 WIS 11 +0 +2 Cha 13 +1 +1
Skills Perception +4, Stealth +4
Immunities Acid
Senses Blindsight 10 ft., Darkvision 60 ft.; 
Passive Perception 14
Languages Draconic
CR 2 (XP 450; PB +2)
Traits
Amphibious. The dragon can breathe air and water.
Actions
Multiattack. The dragon makes two Rend attacks.
Rend. Melee Attack Roll: +4, reach 5 ft. Hit: 5 (1d6 + 2) 
Slashing damage plus 2 (1d4) Acid damage.
Acid Breath (Recharge 5–6). Dexterity Saving Throw: 
DC 11, each creature in a 15-foot-long, 5-foot-
wide Line. Failure: 22 (5d8) Acid damage. Success: 
Half damage.
Young Black Dragon
Large Dragon (Chromatic), Chaotic Evil
AC 18  Initiative +5 (15)
HP 127 (15d10 + 45)
Speed 40 ft., Fly 80 ft., Swim 40 ft.
MOD SAVE MOD SAVE MOD SAVE
Str 19 +4 +4 Dex 14 +2 +5 Con 17 +3 +3
Int 12 +1 +1 WIS 11 +0 +3 Cha 15 +2 +2
Skills Perception +6, Stealth +5
Immunities Acid
Senses Blindsight 30 ft., Darkvision 120 ft.; 
Passive Perception 16
Languages Common, Draconic
CR 7 (XP 2,900; PB +3)
Traits
Amphibious. The dragon can breathe air and water.
Actions
Multiattack. The dragon makes three Rend attacks.
Rend. Melee Attack Roll: +7 , reach 10 ft. Hit: 9 (2d4 
+ 4) Slashing damage plus 3 (1d6) Acid damage.
Acid Breath (Recharge 5–6). Dexterity Saving Throw: 
DC 14, each creature in a 30-foot-long, 5-foot-
wide Line. Failure: 49 (14d6) Acid damage. Success: 
Half damage.
Adult Black Dragon
Huge Dragon (Chromatic), Chaotic Evil
AC 19  Initiative +12 (22)
HP 195 (17d12 + 85)
Speed 40 ft., Fly 80 ft., Swim 40 ft.
MOD SAVE MOD SAVE MOD SAVE
Str 23 +6 +6 Dex 14 +2 +7 Con 21 +5 +5
Int 14 +2 +2 WIS 13 +1 +6 Cha 19 +4 +4
Skills Perception +11, Stealth +7
Immunities Acid
Senses Blindsight 60 ft., Darkvision 120 ft.; 
Passive Perception 21
Languages Common, Draconic
CR 14 (XP 11,500, or 13,000 in lair; PB +5)
Traits
Amphibious. The dragon can breathe air and water.
Legendary Resistance (3/Day, or 4/Day in Lair). If 
the dragon fails a saving throw, it can choose to suc-
ceed instead.
Actions
Multiattack. The dragon makes three Rend attacks. It 
can replace one attack with a use of Spellcasting to cast 
Acid Arrow (level 3 version).
Rend. Melee Attack Roll: +11, reach 10 ft. Hit: 13 (2d6 
+ 6) Slashing damage plus 4 (1d8) Acid damage.
Acid Breath (Recharge 5–6). Dexterity Saving Throw: 
DC 18, each creature in a 60-foot-long, 5-foot-
wide Line. Failure: 54 (12d8) Acid 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 17 , 
+9 to hit with spell attacks):
At Will: Acid Arrow (level 3 version), Detect Magic, Fear
1/Day Each: Speak with Dead, Vitriolic Sphere
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.
Cloud of Insects. Dexterity Saving Throw: DC 17 , one 
creature the dragon can see within 120 feet. Failure: 22 
(4d10) Poison damage, and the target has Disadvantage 
on saving throws to maintain Concentration until the 
end of its next turn. Failure or Success: The dragon can’t 
take this action again until the start of its next turn.
Frightful Presence. The dragon uses Spellcasting to cast 
Fear. The dragon can’t take this action again until the 
start of its next turn.
Pounce. The dragon moves up to half its Speed, and it 
makes one Rend attack.