Astro
The Dragon Knight Medium humanoid, lawful evil
Armor Class 20 (+1 Mithril Plate)
Hit Points 480 (34d12+238)
Speed 30 ft.
19 Str 13 Dex 24 Con
13 Int 17 Wis 21 Cha
Saving Throws +7 Dex +9 Wis +11 Cha
Senses Passive Perception 15
Languages Common, Elven, Draconic
Challenge 15 (26,000xp)
Legendary Resistance (3/Day). If Astro fails a saving throw, he can choose to succeed instead.
Empowered Strike. When Astro has temp hp he has advantage on attack rolls.
R
idding Mastery. When Astro is mounted he can use his reaction to make any attack that would target his mount target him instead.
Immortality. Astro has achieved immortality, so he does not age.
Mythic Encounter. When Astro first hits 240hp he can as no action gain 240temp hp, 2 legendary actions (see mystic actions) and he and if he is on his mount it gain resistance to all damage except psychic.
Actions
Multiattack. Astro Makes 2 Dragon Sword attacks or 1 Brash strike
Dragon Sword.(+3longsword) Melee Weapon Attack: +13 16(2d8+7) slashing damage
Brash Strike. Melee Weapon Attack: before making the attack Astro gains 9 temp hep, +13 16(2d8+7) slashing damage
Deadly Charge. (when mounted only; +2 lance)
Melee Weapon Attack: +12 17(2d12+6) piercing damage plus +2 per 10ft his mount has moved this turn.
Mythic Actions
If Astro’s mythic trait is active, he can use 2 actions inbetween each of his turns and use the following traits:
Attack. Astro can make 1 Dragon Sword attack
Second Wind. Astro can heal himself or his mount 2d12hp
Cone of Fire. Astro can breathe out a 20ft cone of fire, all creatures in the cone take 5d10 fire damage, and can make a Dex save DC 18 for half damage
Wyvern Flight (Costs 2 Actions). If Astro is mounted on his wyvern he can have it move up to 40ft.
Surge the Heroes (Costs 2 Actions). Astro grants all of his allies within 20ft of him 3d10 temp hp and advantage on there next attack.
Wyvern mount
Large dragon, unaligned
Armor Class 16 (Barding)
Hit Points 120 (13d10+39)
Speed 20 ft., fly 80 ft.
Skills Perception +4
Senses Darkvision 60 Ft., passive Perception 14
Challenge 6 (2,300 XP)
Actions
Multiattack. The wyvern makes two attacks: one with its bite and one with its stinger. While flying, it can use its claws in place of one other attack.
Bite. Melee Weapon Attack: +9 to hit, reach 10 ft., one creature.
Hit: 13(2d6+6) piercing damage.
Claws. Melee Weapon Attack: +9 to hit, reach 5 ft., one target.
Hit:15 (2d8+6) slashing damage.
Stinger. Melee Weapon Attack: +9 to hit, reach 10 ft., one creature.
Hit: 13(2d6+6) piercing damage plus (7d6)poison damage. The target must make a DC 17 Constitution saving throw, taking the poison damage on a failed save, or half as much damage on a successful one.