Biggles the Most High

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

Reflection. Any time Biggles is targeted by a spell, roll with disadvantage. if Biggles does not make the save or makes the save by 4 or less, Biggles is unaffected. If Biggles makes the save by 5 or more, Biggles is unaffected, and the effect is reflected back at the caster as though it originated from Biggles, turning the caster into the target. This is the same if the caster uses a spell that requires a ranged spell attack. If the spell beats Biggles' AC, Biggles is unaffected. If the spell is -5 under Biggles' AC, Biggles is unaffected, and the effect is reflected back at the caster as though it originated from Biggles, turning the caster into the target.

Multi-attack. Biggles can use its Frightful Presence. It then makes three attacks: one with its bite and two with its tail.

Bite. Melee Weapon Attack: +19 to hit, reach 10 ft., one target. Hit: 50 (6d12 + 10) piercing damage.

Tail. Melee Weapon Attack: +19 to hit, reach 20ft., all targets in range. Hit: 32 (6d6 + 10) piercing damage. If the target is a large character/creature or smaller, it must succeed on a DC 20 Strength saving throw or be knocked prone.

Charge. Melee Weapon Attack: +19 to hit, reach of 1/2 move speed, all targets in Biggles' path. Hit: 20 (3d6 + 10) bludgeoning damage. If the target is a large character/creature or smaller, it must succeed on a DC 20 Strength saving throw or be knocked prone.

Frightful Presence. Each creature of Biggles' choice within 120 feet of it 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, with disadvantage if Biggles 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 Biggles' Frightful Presence for the next 24 hours.

Solar Beam (Charge Time : 1 Turn, Costs 1 Attack Action on the Next Turn, Initial Charges: 2). Breath Weapon Attack: Dex. Save 26, reach 100 ft. by 10 ft., targets all in range. Hit: 120 (20d8 + 30) radiant damage. Biggles uses his plates to harness the power of the Sun. After 1 turn, Biggles unleashes this power in a large radiant beam. Similar to a breath weapon for dragons, Biggles may regain this attack each turn if he rolls a 4, 5, or 6 on a d6.

Summon (Costs 1 Turn). Summons his buddies, Ike the Destroyer and Porckipine the Shadow.

Biggles 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. Biggles regains spent legendary actions at the start of its turn.

Attack. Biggles makes one bite attack or tail attack.

Move. Biggles moves up to half its speed.

Solar Beam. Biggles can choose to start charging his Solar Beam attack if he has a charge. If he does so, his charge can be expended on his next turn.

Summon. Biggles can choose to summon his buddies, Ike the Destroyer and Porkipine the Shadow, causing 2 new enemies to enter the battle.