Zarthas

The Zarthas are a species of wyvern covered in brown and white feathers, uses Thunder.

Description
It looks like a massive bald eagle, the legs are heavily armored and powerful, while the rest of the body is soft, it has a beak stronger than its legs, it has been observed taking young Blos and dropping them from high altitudes.

When enraged the feathers will stand out more, it starts glowing gold and the muscles become stronger.

Attacks
Pureblood/Talon Wyverns behave much like Bird and Flying Wyverns, so they share the most common attacks such as ramming, pecking and tail swing.
 * Ring: Stands in one leg and swiftly rotates around it.
 * Grab: Grabs the hunter or prey with the legs, preparing to drop from high heights.
 * Spearhead: Goes airborne and flyes towards its objective at extreme speeds.
 * Arrowhead: Does Ring attack and sharp feathers fly towards hunters.
 * Ray: Fires a ray of thunder from the beak towards a hunter.
 * Enrage: Much like a Zinogre, it will roar once and furious golden thunder will be summoned.
 * Thunder Peck: It will start pecking hunters, causing thunderblight.
 * Thunder Slam: Throws its weight towards the closest hunter.
 * Thunder Squish: Similar to Thunder Peck, but will slam the floor with its face.
 * Overdrive Ray: Ray attack with higher damage area,
 * Roaring Thunder: Will roar like if it was about to enrage again, but instead starts summoning thunder towards hunters, after this attack it will glow golden much more.