View source for SRD5:Ancient Black Dragon

{{5esrd}}
{{tocright}}
{{5e Monster
|name=Ancient Black Dragon <!--Creature Name-->
|sorttext=Dragon Black Ancient
|refs={{SRD5ref}} <ref name="hab">Note: Habitat is not part of the [[SRD5]].</ref> <ref name="dmg5hab">habitat - {{pub|Dungeon Master's Guide (5e)}} p.302-305</ref>
|size=Gargantuan <!--Medium, Large, etc.-->
|type=Dragon <!--Dragon, Humanoid, Outsider, Swarm, etc.-->
|swarm= <!--If swarm, size of individual creature in swarm-->
|subtype=Chromatic Dragon, Black Dragon
|align=Chaotic Evil <!--Lawful Good, Chaotic Evil-->
|ac=22 <!--armor class-->
|acfluff=natural armor <!--reason if given-->
|hp=367 <!--number of hit points-->
|hd=21d20+147 <!--10d8, 4d12, etc.-->
|speed=40 ft., {{srd5lc|Fly}} 80 ft., {{srd5lc|Swim}} 40 ft. <!--walking speed in feet, other speed (fly, swim) in feet-->
|str=27
|dex=14
|con=25
|int=16
|wis=15
|cha=19
|saves=[[SRD5:Dexterity|Dex]] +9, [[SRD5:Constitution|Con]] +14, [[SRD5:Wisdom|Wis]] +9, [[SRD5:Charisma|Cha]] +11 <!--bonus to save; Athletics +5-->
|skills={{SRD5|Perception}} +16, {{SRD5|Stealth}} +9 <!--{{SRD5|Stealth}} +3-->
|damageresistances= <!--bludgeoning, slashing, piercing-->
|damageimmunity={{srd5lc|Acid}} <!--damage type; fire, radiant-->
|conditionimmunity= <!--condition; charmed, petrified-->
|senses={{srd5lc|Blindsight}} 60 ft., {{srd5lc|Darkvision}} 120 ft. <!--darkvision 60 feet, Tremorsense 30 feet-->
|perception=26 <!--Passive Perception bonus; +5-->
|languages={{SRD5|Common}}, {{SRD5|Draconic}} <!--Common, Goblin, None, etc.-->
|maturity=Ancient
|habitat=Swamp
|cr=21 <!--Challenge Rating-->
|xp= <!--Experience points for destroying-->
|canon=true
|summary= <!-- 1-2 line unofficial, UNPLAGIRIZED, description --> 

|feature1=Amphibious
|flimit1=
|fdesc1=The dragon can breathe air and water.

|feature2=Legendary Resistance
|flimit2=3/Day
|fdesc2=If the dragon fails a {{srd5lc|Saving Throw}}, it can choose to succeed instead.

|action1=Multiattack
|alimit1=
|adesc1=The dragon can use its Frightful Presence. It then makes three attacks: one with its bite and two with its claws.

|action2=Bite
|alimit2=
|adesc2=''{{SRD5|Melee Weapon Attack}}:'' +15 to hit, {{srd5lc|Reach}} 15 ft., one target. ''Hit:'' 19 (2d10+8) {{srd5lc|Piercing}} damage plus 9 (2d8) {{srd5lc|Acid}} damage.

|action3=Claw
|alimit3=
|adesc3=''Melee Weapon Attack:'' +15 to hit, reach 10 ft., one target. ''Hit:'' 15 (2d6+8) {{srd5lc|Slashing}} damage.

|action4=Tail
|alimit4=
|adesc4=''Melee Weapon Attack:'' +15 to hit, reach 20 ft., one target. ''Hit:'' 17 (2d8+8) {{srd5lc|Bludgeoning}} damage.

|action5=Frightful Presence
|alimit5=
|adesc5=Each creature of the dragon’s choice that is within 120 feet of the dragon and aware of it must succeed on a {{SRD5|DC}} 19 {{SRD5|Wisdom}} saving throw or become {{srd5lc|Frightened}} for 1 {{srd5lc|Minute}}. A creature can repeat the saving throw at the end of each of its {{srd5lc|Turn}}s, 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 {{srd5lc|Immune}} to the dragon’s Frightful Presence for the next 24 hours.

|action6=Acid Breath
|alimit6={{SRD5|Recharge}} 5-6
|adesc6=The dragon exhales acid in a 90-foot {{srd5lc|Line}} that is 10 feet wide. Each creature in that line must make a DC 22 {{SRD5|Dexterity}} saving throw, taking 67 (15d8) acid damage on a failed save, or half as much damage on a successful one.

|legendintro=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.
|legend1=Detect
|lgdlimit1=
|lgddesc1=The dragon makes a {{SRD5|Wisdom}} ({{SRD5|Perception}}) {{srd5lc|Ability Check|check}}.

|legend2=Tail Attack
|lgdlimit2=
|lgddesc2=The dragon makes a tail attack.

|legend3=Wing Attack
|lgdlimit3=Costs 2 Actions
|lgddesc3=The dragon beats its wings. Each creature within 15 feet of the dragon must succeed on a DC 23 Dexterity saving throw or take 15 (2d6 + 8) bludgeoning damage and be knocked {{srd5lc|Prone}}. The dragon can then fly up to half its flying speed.
}}
{{SRD5end}}

{{:SRD5:Dragon/Innate Spellcasting}}

{{:Black Dragon (5e)/Lair Actions}}

==Sources and Notes==
<references />
[[Category:SRD5 Monsters]]
[[Category:5e Dragons|Black Ancient Dragon 5e]][[Maturity::Ancient| ]]
[[Category:5e Chromatic Dragons|Black Ancient Dragon 5e]]
[[Category:5e Black Dragons|Ancient Black Dragon 5e]]
[[Category:5e Ancient Dragons|Black Dragon Ancient 5e]]

{{SRD5 Footer|Dragon}}
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Alignment	Chaotic Evil +
Author	SRD-CC v5.1 + and SRD-OGL v5.1 +
CRval	21 +
Canon	true +
Challenge Rating	21 +
Creature Name	Ancient Black Dragon +
Experience Points	33,000 +
Features	Amphibious +, Legendary Resistance +, Multiattack +, Bite +, Claw +, Tail +, Frightful Presence +, Acid Breath +, Detect +, Tail Attack + and Wing Attack +
Habitat	Swamp +
Has Lair	true +
Hit Dice	21d20+147 +
Hit Points	367 +
Legendary Monster	true +
Maturity	Ancient +
Name	Ancient Black Dragon +
Publication	SRD-CC v5.1 + and SRD-OGL v5.1 +
Size	Gargantuan +
SortText	Dragon Black Ancient +
Subtype	Chromatic Dragon + and Black Dragon +
Title	Ancient Black Dragon +
Type	Dragon +