Aurora Tyrant

Amphibious.
The Aurora Tyrant can breathe air and water.

Nightstalker.
While in dim light or darkness, the Aurora Tyrant has advantage on Dexterity (Stealth) checks and its movement doesn’t provoke opportunity attacks.

Aquatic Predator.
The Aurora Tyrant has advantage on attack rolls against creatures that are swimming or submerged in water.

Multiattack.
The Aurora Tyrant makes three attacks: one with its Bite and two with its Claws.

Bite. Melee Weapon Attack: +12 to hit, reach 10 ft., one target.
Hit: 28 (4d10 + 6) piercing damage.

Claw. Melee Weapon Attack: +12 to hit, reach 5 ft., one target.
Hit: 16 (2d10 + 5) slashing damage.

Tail Swipe. Melee Weapon Attack: +12 to hit, reach 15 ft., one target.
Hit: 22 (3d10 + 6) bludgeoning damage, and the target must succeed on a DC 17 Strength saving throw or be knocked prone.

Bioluminescent Display (Recharge 5–6).
As an action, the Aurora Tyrant flashes its sail in a dazzling aurora of shifting color. Each creature within 60 feet that can see it must succeed on a DC 17 Wisdom saving throw or be blinded until the end of their next turn. Creatures that fail by 5 or more are also charmed for 1 minute, believing the Tyrant to be a divine or awe-inspiring figure. Creatures can repeat the save at the end of each of their turns.

Glowshift.
The Aurora Tyrant shifts the hue of its sail to one of three modes until the end of its next turn:

• Predatory Gleam (Red/Orange): Advantage on melee attack rolls made in dim light or darkness.

• Lurking Mirage (Blue/Violet): Gain +2 AC against ranged attacks.

• Courtship Radiance (Green/Pink): Creatures starting their turn within 30 ft must succeed a DC 16 wisdom saving throw or be charmed by the Aurora Tyrant. They may choose to not look at it to skip this save. 

The Aurora Tyrant can take 2 legendary actions, choosing from the options below. Only one legendary action can be used at a time and only at the end of another creature’s turn.

• Bioluminescent Pulse (Costs 2 Actions): The Aurora Tyrant emits a quick flash. One creature within 30 feet must succeed on a DC 16 Constitution saving throw or be blinded until the end of its next turn.

• Thrash: The Tyrant makes a Tail Swipe.

• Stalk and Snap: The Tyrant moves up to half its speed without provoking opportunity attacks and makes a Bite attack.

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