Answer:
I appear in the morning. But am always there. You can never see me. Though I am everywhere. By night I am gone, though I sometimes never was. Nothing can defeat me. But I am easily gone.
A dragon's tooth in a mortal's hand, I kill, I maim, I divide the land.
White bird, featherless, flying out of paradise. Flying over sea and land. Dying in my hand.
I love to dance and twist and prance. I shake my tail, as away I sail. Wingless I fly into the sky.
What can run but canβt walk?
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?