Serphen

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: +7 to hit, reach 10 ft., one creature. Hit: (2d6 + 4) piercing damage.   Claws Melee Weapon Attack: +7 to hit, reach 5 ft., one target. Hit: (2d8 + 4) slashing damage.   Fire Breath (Recharge 3-4). The dragon exhales fire in a 30-foot cone. Each creature in that area must make a DC 17 Dexterity saving throw, taking (8d6) fire damage on a failed save, or half as much damage on a successful one.

A small dragoniod used as mounts for the very wealthy. They are uncommonly rare and are highly sought after. The Xel'Adan have a large quantity that are used by their military as battle mounts. Some wizards are also known to keep these as pets.   The Serphen can grow as large as a young dragon, but they do not possess the same power. Their intelligence is more akin to a dog.   The Serphen is actually a type of wyvern, that has grown larger and has grown closer to a draconian appearance.