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

Multiattack. The Drekiùdian can use its Frightful Presence. It then makes two attacks: one with its bite and once with its greataxe.

Greataxe. Melee Weapon Attack: +12 to hit, reach 10 ft., one target. Hit: 26 (3d12 + 7) slashing damage.

Rock. Ranged Weapon Attack: +12 to hit, range 60/240 ft., one target. Hit: 34 (5d10 + 7) bludgeoning damage.

Bite. Melee Weapon Attack: +12 to hit, reach 15 ft., one target. Hit: 18 (2d10 + 7) piercing damage, plus 9 (2d8) damage. This can either be acid, cold, fire, lighting, or poison damage. (it's choice).

Frightful Presence. Each creature of the Drekiùdian's choice that is within 120 feet of the Drekiùdian and aware of it must succeed on a DC 15 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 Drekiùdian's Frightful Presence for the next 24 hours.

Breath Weapon (Recharge 5–6). The Drekiùdian exhales destructive energy in a 60-foot cone. Each creature in that area must make a DC 19 Dexterity saving throw, taking 66 (19d6) damage on a failed save, or half as much damage on a successful one. This damage cane be acid, cold, fire, lighting, or poison damage. (it's choice).

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.

Draconic Awe. Once creature frightened of the Drekiùdian that is within 60 feet of it and aware of it must succeed on a DC 15 wisdom saving throw or be charmed of the Drekiùdian. This effect ends early if the charmed creature takes damage.

Bite (Costs 2 Actions). The Drekiùdian makes a bite attack.

Earth-Shattering Stomp (Costs 3 Actions). The Drekiùdian stomps the ground with earth-shattering might. All creatures within 60 feet of it and touching the ground must make a DC 20 dexterity saving throw or fall prone.

Additionally 1d6 fissures open up, snaking in directions on the Drekiùdian's choice. Each one is a 60 foot line that is 5 feet wide and 1d8 × 10 feet deep. A creature standing on a spot where a fissure opens must succeed on a DC 20 Dexterity saving throw or fall in. A creature that successfully saves moves with the fissure's edge as it opens.