Calamity of Roaring Winds

Cataclysmic Nature. The calamity is unaffected by spells that would change it's form, banishing it from the world it is found in, or be stopped by barriers such as wall of force or be imprisoned by magic like force cage. They can use an action to break out of any thing or through any barrier as if it were difficult terrain. It also does not eat or sleep. Additionally, they're hit points are not affected by attacks or magical effects until it's Vulnerable areas are exploited. it's vulnerable areas include

• A scar running across it's eye, It has an AC of 25, and when exploited, it will be partially blinded. For 1d4 rounds, it will have the blinded condition.
• A scar across one of it's wings, which requires a perception check (DC 23) to spot. Alternatively, you can use true sight to spot it's crimson aura. It has an AC of 25, and when exploited, It loses it's ability to fly.
• A scar across one of it's legs, which requires a perception check (DC 23) to spot.  It has an AC of 25, and when exploited, It loses half of it's movement speed and it's step of the wind ability.

Cataclysmic Winds. The strength of the winds the calamity creates are relative to those seen in hurricanes. So long as it is in flight, all flames in the region are extinguished, ranged attacks are impossible (except for those made by siege weapons, which are rolled at disadvantage), and all creatures are deafened until they exit the area. Any medium or smaller creatures are knocked prone and pushed away from the calamity 20 (1d4 x 10) feet. Any flying creatures are pushed away from the calamity 70 (2d6 x 10) feet.

Inscrutable. The Calamity is immune to any effect that would sense its emotions or read its thoughts, as well as any divination spell that it refuses. Wisdom (Insight) checks made to ascertain the sphinx's intentions or sincerity have disadvantage.

Magic Weapons. The Calamity's weapon attacks are magical.

Pounce. If the calamity moves at least 20 ft. straight toward a creature and then hits it with a claw attack on the same turn, that target and other creatures within 10ft of it must succeed on a DC 23 Strength saving throw or be knocked prone. If at least one target is prone, the calamity can make one bite attack against it as a bonus action.

 Multiattack. The calamity can use its Frightful Presence. It then makes five attacks. two with it’s bite, three with it’s claws. 

Frightful Presence. Each creature of the kaiju’s choice within 1 mile of it and aware of it must succeed on a DC 17  Wisdom saving throw or become frightened for 1 minute. A creature can repeat the saving throw at the end of each of its turns, with disadvantage if the kaiju is within line of sight, 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 kaiju’s Frightful Presence for the next 24 hours.

Bite. Melee Weapon Attack: +17 to hit, reach 10 ft., creatures up to 10 feet of the target are also targeted. Hit: (2d6 + 7) piercing damage. On a hit, the targets are grappled (escape DC 20). Until this grapple ends, the targets are restrained, and the kaiju can't bite another target.

Claw. Melee Weapon Attack: +17 to hit, reach 5 ft., one target. Hit: (4d8 + 7)  slashing damage.

Step of the Wind. The calamity can use the Dash action as a bonus action.

The calamity 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 sphinx regains spent legendary actions at the start of its turn.

Claw Attack. The sphinx makes one claw attack.

Step of the wind (Costs 2 Actions). The sphinx magically teleports, along with any equipment it is wearing or carrying, up to 120 feet to an unoccupied space it can see.