Kassoon

Ancient White Dragon

Ancient White Dragon

Gargantuan dragon, chaotic evilGargantuan dragon, chaotic evil
Armor Class 20 (Natural Armor) 20 (Natural Armor)
[~<13]
+/-/*
Hit Points 333 (18d20+144) 333 ([18d20+144])
[~1-6]
Speed 40 ft., burrow 40 ft., fly 80 ft., swim 40 ft. 40 ft., burrow 40 ft., fly 80 ft., swim 40 ft.

STR
26 (+8)
DEX
10 (+0)
CON
26 (+8)
INT
10 (+0)
WIS
13 (+1)
CHA
14 (+2)

Token URL:
Saving Throws DEX +6, CON +14, WIS +7, CHA +8 DEX [+6], CON [+14], WIS [+7], CHA [+8]
Skills Perception +13, Stealth +6 Perception [+13], Stealth [+6]
Damage Vulnerabilities
Damage Resistances -
Damage Immunities Cold
Condition Immunities
Senses Blindsight 60 ft., Darkvision 120 ft., Passive Perception 23 Blindsight 60 ft., Darkvision 120 ft., Passive Perception 23
Languages Common, DraconicCommon, Draconic
PB +6
Challenge 20 (25,000 XP)

[+instructions]

Ice Walk. The dragon can move across and climb icy surfaces without needing to make an ability check. Additionally, difficult terrain composed of ice or snow doesn't cost it extra movement.

Legendary Resistance (3/Day). If the dragon fails a saving throw, it can choose to succeed instead.

[b]Ice Walk.[/b] The dragon can move across and climb icy surfaces without needing to make an ability check. Additionally, difficult terrain composed of ice or snow doesn't cost it extra movement.

[b]Legendary Resistance (3/Day).[/b] If the dragon fails a saving throw, it can choose to succeed instead.

Actions

[~Hit +2, DC <13, DPR 0-1]

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: +14 to hit, reach 15 ft., one target. Hit: 19 (2d10+8) piercing damage plus 9 (2d8) cold damage.

Claw. Melee Weapon Attack: +14 to hit, reach 10 ft., one target. Hit: 15 (2d6+8) slashing damage.

Tail. Melee Weapon Attack: +14 to hit, reach 20 ft., one target. Hit: 17 (2d8+8) 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 16 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.

Cold Breath (Recharge d6: 5–6). The dragon exhales an icy blast in a 90-foot cone. Each creature in that area must make a DC 22 Constitution saving throw, taking 72 (16d8) cold damage on a failed save, or half as much damage on a successful one.

[b]Multiattack.[/b] The dragon can use its Frightful Presence. It then makes three attacks: one with its bite and two with its claws.

[b]Bite.[/b] Melee Weapon Attack: [+14] to hit, reach 15 ft., one target. Hit: 19 ([2d10+8]) piercing damage plus 9 ([2d8]) cold damage.

[b]Claw.[/b] Melee Weapon Attack: [+14] to hit, reach 10 ft., one target. Hit: 15 ([2d6+8]) slashing damage.

[b]Tail.[/b] Melee Weapon Attack: [+14] to hit, reach 20 ft., one target. Hit: 17 ([2d8+8]) bludgeoning damage.

[b]Frightful Presence.[/b] Each creature of the dragon's choice that is within 120 feet of the dragon and aware of it must succeed on a DC 16 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.

[b]Cold Breath (Recharge [d6]: 5–6).[/b] The dragon exhales an icy blast in a 90-foot cone. Each creature in that area must make a DC 22 Constitution saving throw, taking 72 ([16d8]) cold 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 22 Dexterity saving throw or take 15 (2d6+8) bludgeoning damage and be knocked prone. The dragon can then fly up to half its flying speed.
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.

[b]Detect.[/b] The dragon makes a Wisdom (Perception) check.

[b]Tail Attack.[/b] The dragon makes a tail attack.

[b]Wing Attack (Costs 2 Actions).[/b] The dragon beats its wings. Each creature within 15 feet of the dragon must succeed on a DC 22 Dexterity saving throw or take 15 ([2d6+8]) bludgeoning damage and be knocked prone. The dragon can then fly up to half its flying speed.
 

Details

White dragons lair in icy caves and deep subterranean chambers far from the sun. They favor high mountain vales accessible only by flying, caverns in cliff faces, and labyrinthine ice caves in glaciers. White dragons love vertical heights in their caverns, flying up to the ceiling to latch on like bats or slithering down icy crevasses.

A legendary white dragon’s innate magic deepens the cold in the area around its lair. Mountain caverns are fast frozen by the white dragon’s presence. A white dragon can often detect intruders by the way the keening wind in its lair changes tone.

A white dragon rests on high ice shelves and cliffs in its lair, the floor around it a treacherous morass of broken ice and stone, hidden pits, and slippery slopes. As foes struggle to move toward it, the dragon flies from perch to perch and destroys them with its freezing breath.

Lair Actions

On initiative count 20 (losing initiative ties), the dragon takes a lair action to cause one of the following effects; the dragon can’t use the same effect two rounds in a row:

  • Freezing fog fills a 20-foot-radius sphere centered on a point the dragon can see within 120 feet of it. The fog spreads around corners, and its area is heavily obscured. Each creature in the fog when it appears must make a DC 10 Constitution saving throw, taking 10 (3d6) cold damage on a failed save, or half as much damage on a successful one. A creature that ends its turn in the fog takes 10 (3d6) cold damage. A wind of at least 20 miles per hour disperses the fog. The fog otherwise lasts until the dragon uses this lair action again or until the dragon dies.

  • Jagged ice shards fall from the ceiling, striking up to three creatures underneath that the dragon can see within 120 feet of it. The dragon makes one ranged attack roll (+7 to hit) against each target. On a hit, the target takes 10 (3d6) piercing damage.

  • The dragon creates an opaque wall of ice on a solid surface it can see within 120 feet of it. The wall can be up to 30 feet long, 30 feet high, and 1 foot thick. When the wall appears, each creature within its area is pushed 5 feet out of the wall’s space, appearing on whichever side of the wall it wants. Each 10-foot section of the wall has AC 5, 30 hit points, vulnerability to fire damage, and immunity to acid, cold, necrotic, poison, and psychic damage. The wall disappears when the dragon uses this lair action again or when the dragon dies.

Regional Effects

The region containing a legendary white dragon’s lair is warped by the dragon’s magic, which creates one or more of the following effects:

  • Chilly fog lightly obscures the land within 6 miles of the dragon’s lair.

  • Freezing precipitation falls within 6 miles of the dragon’s lair, sometimes forming blizzard conditions when the dragon is at rest.

  • Icy walls block off areas in the dragon’s lair. Each wall is 6 inches thick, and a 10-foot section has AC 5, 15 hit points, vulnerability to fire damage, and immunity to acid, cold, necrotic, poison, and psychic damage.

  • If the dragon wishes to move through a wall, it can do so without slowing down. The portion of the wall the dragon moves through is destroyed, however.

If the dragon dies, the fog and precipitation fade within 1 day. The ice walls melt over the course of 1d10 days.

White dragons lair in icy caves and deep subterranean chambers far from the sun. They favor high mountain vales accessible only by flying, caverns in cliff faces, and labyrinthine ice caves in glaciers. White dragons love vertical heights in their caverns, flying up to the ceiling to latch on like bats or slithering down icy crevasses.

A legendary white dragon’s innate magic deepens the cold in the area around its lair. Mountain caverns are fast frozen by the white dragon’s presence. A white dragon can often detect intruders by the way the keening wind in its lair changes tone.

A white dragon rests on high ice shelves and cliffs in its lair, the floor around it a treacherous morass of broken ice and stone, hidden pits, and slippery slopes. As foes struggle to move toward it, the dragon flies from perch to perch and destroys them with its freezing breath.
Lair Actions

On initiative count 20 (losing initiative ties), the dragon takes a lair action to cause one of the following effects; the dragon can’t use the same effect two rounds in a row:

[*]Freezing fog fills a 20-foot-radius sphere centered on a point the dragon can see within 120 feet of it. The fog spreads around corners, and its area is heavily obscured. Each creature in the fog when it appears must make a DC 10 Constitution saving throw, taking 10 ([3d6]) cold damage on a failed save, or half as much damage on a successful one. A creature that ends its turn in the fog takes 10 ([3d6]) cold damage. A wind of at least 20 miles per hour disperses the fog. The fog otherwise lasts until the dragon uses this lair action again or until the dragon dies.
[*]Jagged ice shards fall from the ceiling, striking up to three creatures underneath that the dragon can see within 120 feet of it. The dragon makes one ranged attack roll ([+7] to hit) against each target. On a hit, the target takes 10 ([3d6]) piercing damage.
[*]The dragon creates an opaque wall of ice on a solid surface it can see within 120 feet of it. The wall can be up to 30 feet long, 30 feet high, and 1 foot thick. When the wall appears, each creature within its area is pushed 5 feet out of the wall’s space, appearing on whichever side of the wall it wants. Each 10-foot section of the wall has AC 5, 30 hit points, vulnerability to fire damage, and immunity to acid, cold, necrotic, poison, and psychic damage. The wall disappears when the dragon uses this lair action again or when the dragon dies.

[b]Regional Effects[/b]

The region containing a legendary white dragon’s lair is warped by the dragon’s magic, which creates one or more of the following effects:

[*]Chilly fog lightly obscures the land within 6 miles of the dragon’s lair.
[*]Freezing precipitation falls within 6 miles of the dragon’s lair, sometimes forming blizzard conditions when the dragon is at rest.
[*]Icy walls block off areas in the dragon’s lair. Each wall is 6 inches thick, and a 10-foot section has AC 5, 15 hit points, vulnerability to fire damage, and immunity to acid, cold, necrotic, poison, and psychic damage.
[*]If the dragon wishes to move through a wall, it can do so without slowing down. The portion of the wall the dragon moves through is destroyed, however.

If the dragon dies, the fog and precipitation fade within 1 day. The ice walls melt over the course of [1d10] days.
 
Source Monster Manual p. 100
 
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Monster Statistics by Challenge Rating

CRProf. BonusACHPAttack BonusDamage / RoundSave DC
0+2<131-6<+30-1<13
1/8+2137-35+32-313
1/4+21336-49+34-513
1/2+21350-70+36-813
1+21371-85+39-1413
2+21386-100+315-2013
3+213101-115+421-2613
4+214116-130+527-3214
5+315131-145+633-3815
6+315146-160+639-4415
7+315161-175+645-5015
8+316176-190+751-5616
9+416191-205+757-6216
10+417206-220+763-6816
11+417221-235+869-7417
12+417236-250+875-8017
13+518251-265+881-8618
14+518266-280+887-9218
15+518281-295+893-9818
16+518296-310+999-10418
17+619311-325+10105-11019
18+619326-340+10111-11619
19+619341-355+10117-12219
20+619356-400+10123-14019
21+719401-445+11141-15820
22+719446-490+11159-17620
23+719491-535+11177-19420
24+719536-580+12195-21221
25+819581-625+12213-23021
26+819626-670+12231-24821
27+819671-715+13249-26622
28+819716-760+13267-28422
29+919761-805+13285-30222
30+919806-850+14303-32023

Damage Severity by Level

LevelSetbackDangerousDeadly
1-41d102d104d10
5-102d104d1010d10
11-164d1010d1018d10
17-2010d1018d1024d10

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