They have a poisoned bite, and turn into a pool of acid when slain.
The ground suddenly turns into a pool as she falls, and then she starts to sing.
Over a period of time it had filled with water, turning it into a huge indoor pool.
His own face began to shimmer and flatten, as if it were turning into a pool of water.
A trough of rock was turning into a pool of rain water.
Then put the thin piece of wood (or paper) in it and turn it upside down into a pool of water.
But it sank before it could be turned into a pool.
Below her was the gaping hole of the basement, turned into a pool by last night's rain.
I felt that was the right call; toasting would have turned the ice cream into a melted pool.
The wide lake of the polynya had turned into a roiling and hellish pool.