Armo, looking like some deranged artist’s conception of a polar bear mated with a human, ran straight at Drake, straight at Shade, an out-of-control berserker beast in a furious charge. Drake frowned and tried to jump aside, but in the process he lessened his grip on Shade for just a split second—a split second that was the equivalent of a leisurely ten seconds to Shade. She bent her knees back, dropped through his coiled arm, and then stumbled forward, landing on hands and knees in the liquid fire.

“Aaaahhhh!” came the mosquito buzz of pain.

[...]

SHADE DARBY DE-MORPHED to escape the pain. It was unlike anything she had ever endured before. Her morphed hands and knees were burned deep, burned to the bones, and it was agony that all but obliterated thought.

But as she resumed her normal form, she felt the pain disappear and sighed in momentary relief. It was an important fact: she could change shapes, and each time the shape—herself or the morphed herself—was renewed, fresh and unmarked.

Monster, Chapter 23 and 24