Disclaimer: I do not own Game of Thrones
She could not breathe.
Choking sounds were all she could make.
She had been close to death before, in her time at the 'house of black and white' where they quite literally worshiped the deity but this was the closest she had been to the very incarnation of death.
He would have looked inhumanly beautiful if only his outer skin was of flesh rather than the transparent blue ice crystals. As such, he was the ugliest creature that she had ever seen. No, perhaps he would have made for a nice sculpture if only he didn't move and try to kill everyone?
With the last of her strength she let the valyrian steel dagger with dragonbone hilt fall from the overhead stab position where it was blocked, to her other hand in an acrobatic switch she had already tried with Brienne and stabbed the monster who was chocking her.
She could not breathe.
Choking sounds were all she could make.
She was drowning even though there was no water. She struggled to sit up but was stopped by a thick wall of ice overhead. She could not understand how she got here but she had to break the ice and get out. Otherwise she would die of suffocation. She had to ...
Actually she was just fine. It didn't take long to realize that she didn't need to breathe. Even so it was suffocating to sleep in an ice-coffin like that. Exerting some more strength, she broke out of ice.
Looking at her hands gave her fright, she was a white walker. Her elder sister would have screamed but she was made of sterner stuff, specially after all of her training. She looked at her reflection in ice and confirmed what she was afraid of. She was now the 'Night king'.
Meanwhile 'Night king' opened his eyes to realize that after 8000 years of fearsome existence, he was now a little girl.