Chrysosaur

Abilities:

1. Crystalline Aura (Passive):

The Chrysosaur’s crystalline scales reflect and refract magic. Any spell targeting the Chrysosaur has a 25% chance of being reflected back at the caster.

2. Golden Earthquake (Recharge 6):

The Chrysosaur slams its tail into the ground, causing a localized earthquake. All creatures within a 60 ft radius must make a DC 18 Dexterity saving throw or be knocked prone and take 5d10 bludgeoning damage. The ground becomes difficult terrain for 1 minute.

3. Burrow Ambush:

As a bonus action, the Chrysosaur can burrow underground and reappear at a point within 40 ft, emerging with a Bite attack. Creatures within 10 ft of its emergence must make a DC 16 Dexterity saving throw or be knocked prone.

4. Shard Spray (Recharge 5-6):

The Chrysosaur shakes its tail, sending a barrage of sharp, crystalline shards flying in a 30 ft cone. Each creature in the area must make a DC 17 Dexterity saving throw or take 6d8 piercing damage, or half on a success.

Actions:

1. Multiattack:

The Chrysosaur makes two attacks: one with its Bite and one with its Tail.

Bite:

Melee Weapon Attack: +11 to hit, reach 10 ft, one target.

Hit: 3d10 + 7 piercing damage.

Tail:

Melee Weapon Attack: +11 to hit, reach 15 ft, one target.

Hit: 4d8 + 7 bludgeoning damage.

If the target is a creature, it must succeed on a DC 18 Strength saving throw or be knocked prone.

2. Thunderous Roar (Recharge 5-6):

The Chrysosaur unleashes a terrifying roar that creates a shockwave in a 30 ft radius. Each creature in the area must succeed on a DC 17 Constitution saving throw or take 5d6 thunder damage and be stunned until the end of their next turn.

Tail Sweep:

The Chrysosaur sweeps its tail in a wide arc. All creatures within 10 ft of the Chrysosaur must make a DC 17 Dexterity saving throw or take 2d8 + 7 bludgeoning damage and be knocked prone..

Crystalline Shield:

When the Chrysosaur is hit by a melee attack, it can use its reaction to harden its crystalline scales. It reduces the damage by 1d12 + 6.

Legendary Actions (3/Day):

Shard Burst (Costs 1 Action):

The Chrysosaur sends a burst of crystal shards flying in a 10 ft radius around it. All creatures in the area must make a DC 17 Dexterity saving throw or take 3d8 piercing damage.

Burrow (Costs 2 Actions):

The Chrysosaur moves up to 30 ft underground without provoking attacks of opportunity.

Crystalline Echo (Costs 3 Actions):

The Chrysosaur channels its crystalline power, creating an echo of itself made of pure crystal. This echo can attack as if it were the Chrysosaur, but only deals 2d8 + 7 damage. The echo lasts until destroyed (AC 17, HP 30).

Legendary Resistances (3/Day):

If the Chrysosaur fails a saving throw, it can choose to succeed instead.

Enter the description for how mythic actions work for your monster here.

Mythic Action Name (Costs # Actions). Enter the description for your mythic action.