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Ancient Sky Dragon ~ CR 18

Although wingless, this dragon twists gracefully though the sky, its scales reflecting the shifting hues of the heavens.

Ancient Sky Dragons are a variant of Adult Sky Dragons.

Environment: Temperate mountains, warm mountains

Organization: 1

Proficiency Score: +19

Gargantuan; Integrity/Community; aerial, animal, mystical, reptile

Armor Class: 35 (+0 Dex, +10 Natural, -4 Size, +19 Proficiency Score)

Hit Points: 352 (22d10+132)

Speed: 40 feet, Fly 250 feet

Initiative: +0 (advantage)

STRDEXCONINTWISCHA
20 (+5)10 (+0)23 (+6)16 (+3)17 (+3)16 (+3)

Saves: 

  • Fortitude +25
  • Reflex +19
  • Will +22

Skills: 

  • Acrobatics +19
  • Arcana +22
  • Diplomacy +22
  • Insight +22
  • Medicine +22
  • Nature +22
  • Perception +22 (advantage)
  • Perform (sing) +22
  • Religion +22

Immunities:

  • Effects with the electricity tag
  • Sleep
  • Paralysis condition

Resistances:

  • 15 against physical damage except those with the magical tag
  • 35 against effects with the magical or supernatural tags

Senses: Passive Perception 37, dark vision 120 feet, blindsense 60 feet

Languages: Auran, Celestial, Common, Draconic, Infernal, Sylvan

Frightful Presence (100-foot aura). All enemies within 100 feet must make a DC 32 Will save or gain the Frightened 1d4-1 (minimum of 1) condition. This lasts for 4d4 rounds and only starts to decrease after this time. If the enemy critically fails the save, they gain the Fleeing condition for 1d4-1 (minimum of 1) rounds and then become Frightened as per a fail. An enemy who successfully saves is Bolstered against the Sky Dragon’s Frightful Presence. A Sky Dragon can dampen this ability as a free action and activate it again as another free action. This is a supernatural ability with the fear and psychic tags.

Legendary Actions (2). An Ancient Sky Dragon can use two extra actions per round. This action can be spent at any point in the round directly after a creature’s turn ends and another begins.

Primal Lightning. An Ancient Sky Dragon’s affinity for lightning makes it more potent. Against an Ancient Sky Dragon, enemies with immunity to electricity take half electricity damage and enemies with resistances to electricity reduce the damage by only half the resistance.

Spells.

Spell Attack +22, Spell DC 32

At Will:

1st Level (8 Slots):

2nd Level (8 Slots):

3rd Level (8 Slots):

4th Level (7 Slots):

5th Level (6 Slots):

6th Level (5 Slots):

7th Level (3 Slots):

Actions

Bite. Melee Strike +24/+19/+14 (fatal d10, reach 20 feet, unarmed, versatile bludgeoning) with 4d8+5 piercing damage and 2d8 electricity damage.

Breath Weapon (5 or 6, 60-foot cone). Ranged Strike DC 32 Reflex save with 16d6 electricity damage; halved on a success. Creatures with a Fly Speed must make a DC 32 Fortitude save or have their Fly Speed reduced to 0 feet for 1d4 rounds.

Change Shape. As a Double Action, a Sky Dragon can assume a small or medium humanoid form three times per 24 hours as if using Shape Change.

Claw. Melee Strike +24/+19/+14 (reach 15 feet, unarmed) with 6d8+5 slashing damage.

Crush. As a Double Action while flying, a Sky Dragon can move up to twice its speed and land on top of one or more creatures on the ground, using its whole body to crush. All creatures in the Sky Dragon’s landing space must make a DC 32 Reflex save or take 5d8+20 bludgeoning damage and be inflicted with the Prone and Immobile conditions. This is only effective against creatures two or more sizes smaller than a Sky Dragon. On following rounds, the Sky Dragon can remain in the same place and spend an action to maintain the Immobile condition. Doing so causes any creatures still pinned underneath to take 3d8+10 damage. A creature pinned this way can attempt a DC 32 Athletics check to get out from underneath the Sky Dragon and remove the Immobile condition.

Gore. Melee Strike +24/+19/+14 (deadly d8, reach 10 feet, unarmed) with 8d8+5 piercing damage.

Tail. Melee Strike +24/+19/+14 (reach 20 feet, unarmed) with 5d8+5 bludgeoning damage.

Equipment

  • Incidental