"True Ice never melts. Dark Ice is True Ice that has been corrupted."

Then, in a gesture unbecoming of an iceborn warmother, she bent the knee and laid her weapon at Ornn’s feet. Fellswaig’s true-ice melted, revealing an ordinary bronze and iron axe beneath.

I had never seen true-ice melt. No one had ever seen true-ice melt. We felt it wise to join Olgavanna in her kneeling. - The Voice from the Hearth Story

I think that loading screen quote needs to be updated/removed.