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System Reference Document 5.2.1
Traits
Amphibious. The dragon can breathe air and water.
Actions
Multiattack. The dragon makes two Rend attacks.
Rend. Melee Attack Roll: +5, reach 5 ft. Hit: 8 (1d10 
+ 3) Slashing damage.
Lightning Breath (Recharge 5–6). Dexterity Saving 
Throw: DC 12, each creature in a 40-foot-long, 5-foot-
wide Line. Failure: 16 (3d10) Lightning damage. Suc-
cess: Half damage.
Repulsion Breath. Strength Saving Throw: DC 12, each 
creature in a 30-foot Cone. Failure: The target is pushed 
up to 30 feet straight away from the dragon and has the 
Prone condition.
Young Bronze Dragon
Large Dragon (Metallic), Lawful Good
AC 17  Initiative +3 (13)
HP 142 (15d10 + 60)
Speed 40 ft., Fly 80 ft., Swim 40 ft.
MOD SAVE MOD SAVE MOD SAVE
Str 21 +5 +5 Dex 10 +0 +3 Con 19 +4 +4
Int 14 +2 +2 WIS 13 +1 +4 Cha 17 +3 +3
Skills Insight +4, Perception +7 , Stealth +3
Immunities Lightning
Senses Blindsight 30 ft., Darkvision 120 ft.; 
Passive Perception 17
Languages Common, Draconic
CR 8 (XP 3,900; PB +3)
Traits
Amphibious. The dragon can breathe air and water.
Actions
Multiattack. The dragon makes three Rend attacks. It 
can replace one attack with a use of Repulsion Breath.
Rend. Melee Attack Roll: +8, reach 10 ft. Hit: 16 (2d10 
+ 5) Slashing damage.
Lightning Breath (Recharge 5–6). Dexterity Saving 
Throw: DC 15, each creature in a 60-foot-long, 5-foot-
wide Line. Failure: 49 (9d10) Lightning damage. Suc-
cess: Half damage.
Repulsion Breath. Strength Saving Throw: DC 15, each 
creature in a 30-foot Cone. Failure: The target is pushed 
up to 40 feet straight away from the dragon and has the 
Prone condition.
Adult Bronze Dragon
Huge Dragon (Metallic), Lawful Good
AC 18  Initiative +10 (20)
HP 212 (17d12 + 102)
Speed 40 ft., Fly 80 ft., Swim 40 ft.
MOD SAVE MOD SAVE MOD SAVE
Str 25 +7 +7 Dex 10 +0 +5 Con 23 +6 +6
Int 16 +3 +3 WIS 15 +2 +7 Cha 20 +5 +5
Skills Insight +7 , Perception +12, Stealth +5
Immunities Lightning
Senses Blindsight 60 ft., Darkvision 120 ft.; 
Passive Perception 22
Languages Common, Draconic
CR 15 (XP 13,000, or 15,000 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 (A) Repulsion 
Breath or (B) Spellcasting to cast Guiding Bolt (level 
2 version).
Rend. Melee Attack Roll: +12, reach 10 ft. Hit: 16 (2d8 
+ 7) Slashing damage plus 5 (1d10) Lightning damage.
Lightning Breath (Recharge 5–6). Dexterity Saving 
Throw: DC 19, each creature in a 90-foot-long, 5-foot-
wide Line. Failure: 55 (10d10) Lightning damage. Suc-
cess: Half damage.
Repulsion Breath. Strength Saving Throw: DC 19, each 
creature in a 30-foot Cone. Failure: The target is pushed 
up to 60 feet straight away from the dragon and has the 
Prone condition.
Spellcasting. The dragon casts one of the following 
spells, requiring no Material components and using 
Charisma as the spellcasting ability (spell save DC 17 , 
+10 to hit with spell attacks):
At Will: Detect Magic, Guiding Bolt (level 2 version), 
Shapechange (Beast or Humanoid form only, no 
Temporary Hit Points gained from the spell, and no 
Concentration or Temporary Hit Points required to 
maintain the spell), Speak with Animals, Thaumaturgy
1/Day Each: Detect Thoughts, Water Breathing
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.
Guiding Light. The dragon uses Spellcasting to cast 
Guiding Bolt (level 2 version).
Pounce. The dragon moves up to half its Speed, and it 
makes one Rend attack.
Thunderclap. Constitution Saving Throw: DC 17 , each 
creature in a 20-foot-radius Sphere centered on a point 
the dragon can see within 90 feet. Failure: 10 (3d6) 