Thunderbird Species in The Sea of Starlight | World Anvil


A thunderbird is a creature native to the tumultuous parts of the elemental Plane of Air. These elder elementals can sometimes make their way to the material plane, often taking immense storms and destructive tempests with them.   Bird of the Heavens. Despite their destructive capabilities, thunderbirds are also revered by some as symbols of power and strength. Many cultures consider them to be sacred beings.
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Gargantuan Elemental, chaotic neutral

Armor Class 18
Hit Points 198 (12d20 + 72)
Speed 20ft., fly 120ft.


16 (+3)


26 (+8)


22 (+6)


12 (+1)


22 (+6)


16 (+3)

Saving Throws Dexterity +13, Constitution +10, Wisdom +11
Skills Perception +11
Damage Resistances Cold, Non-magical Bludgeoning, Piercing and Slashing
Damage Immunities Lightning, Poison, Thunder
Condition Immunities Exhaustion, Grappled, Paralyzed, Petrified, Poisoned, Prone, Restrained, Stunned
Senses Darkvision 120ft., Passive Perception 21
Languages Auran
Challenge 16 (15000 xp)
Keen Sight. The Thunderbird has advantage on Perception checks that rely on sight
  Flyby. The Thunderbird doesn’t provoke opportunity attacks when it flies out of an enemy’s reach.
  Living Tempest. A creature that touches the Thunderbird or hits it with a melee attack while within 5ft. of it takes 11 (2d10) Lightning damage.
  Legendary Resistance (3/Day). If the Thunderbird fails a saving throw, it can choose to succeed instead.


Multiattack. The Thunderbird makes two attacks, one with its Talons and one with its Beak.   Tempest Talons. Melee Weapon Attack: +13 to hit, reach 15ft., one target. Hit: 15 (3d4+8) Lightning damage.   Beak. Melee Weapon Attack: +13 to hit, reach 15ft., one target. Hit: 15 (3d4+8) Lightning damage. On a successful hit the target has to make a Constitution saving throw (DC 19), on a failed save the target is Stunned until the end of their next turn.   Beat Wings (Recharge 6). The Thunderbird beats its wings. Each creature within 30ft. of the Thunderbird has to make a Dexterity saving throw (DC 21). On a failed save they take 36 (8d8) Thunder damage and are knocked Prone. Or a successful save they take half damage but are not knocked Prone.   Flash Eyes (Recharge 6). A flash of lightning shoots out of the Thunderbirds eyes. Each creature within 120ft. of the Thunderbird that it can see has to make a Dexterity saving throw (DC 21). On a failed save a creature takes 27 (5d10) Lightning damage and is Blinded until the end of their next turn.

Legendary Actions

The Thunderbird 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 Thundirbird regains spent legendary actions at the start of its turn.
  Peck. The Thinderbird makes one beak attack.
  Move. The Thunderbird moves up to its speed.
  Swoop (Costs 2 Actions). The Thunderbird moves up to its speed and attacks with its Tempest Talons.

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