At the sudden appearance of the legendary bird, Aster panicked slightly. He had, some, experience in battle but not alot. Plus he thought they'd just find the nest or something and take a feather from there not fight a dang legendary!! Wait, the feathers!! 

"Echo! Avoid all attacks and use Tailwind to swipe some feathers!!" The Noivern nodded before glowing green, a gust of wind now appearing behind it as it dove forwards towards the legendary.