Young Black Dragon

Large dragon, chaotic evil

Armor Class: 18 (natural armor)
Hit Points: 127 (15d10+45)
Speed: 40 ft., fly 80 ft., swim 40 ft.

STR: 19 (+4)
DEX: 14 (+2)
CON: 17 (+3)
INT: 12 (+1)
WIS: 11 (+0)
CHA: 15 (+2)

Saving Throws: Dex +5, Con +6, Wis +3, Cha +5
Skills: Perception +6, Stealth +5
Damage Immunities: acid
Senses: blindsight 30 ft., darkvision 120 ft., passive Perception 16
Languages: Common, Draconic
Challenge: 7 (2,900 XP)
Proficiency Bonus: +3

Amphibious. The dragon can breathe air and water.

Actions

Multiattack. The dragon makes three attacks: one with its bite and two with its claws.

Bite. Melee Weapon Attack: +7 to hit, reach 10 ft., one target. Hit: 15 (2d10 + 4) piercing damage plus 4 (1d8) acid damage.

Claw. Melee Weapon Attack: +7 to hit, reach 5 ft., one target. Hit: 11 (2d6 + 4) slashing damage.

Acid Breath (Recharge 5-6). The dragon exhales acid in a 30-foot line that is 5 feet wide. Each creature in that line must make a DC 14 Dexterity saving throw, taking 49 (11d8) acid damage on a failed save, or half as much damage on a successful one.

How many for your party

Copies of the young black dragon (2,900 XP each) against a party of four characters of the same level. Build mixed fights in the encounter builder.

Number of Young Black Dragon for each difficulty, party of four
Party level	Easy	Medium	Hard	Deadly
Level 5	—	1	—	2–20
Level 6	—	1	—	2–20
Level 9	1	—	2	3–20
Level 10	1	—	2	3–20
Level 11	—	2	—	3–20
Level 12	—	2	3	4–20

In these lists

Similar dragon cards

Questions

What CR is the Young Black Dragon?

The Young Black Dragon is challenge 7, worth 2,900 XP, with a proficiency bonus of +3.

How many hit points does the Young Black Dragon have?

127 hit points (15d10+45), with AC 18 from natural armor.

How many should I use against four 5th-level characters?

Against four level 5 characters, 1 is medium by the encounter XP budget.