Katie chuckled, and he was almost relieved at the sight of her smile. Her features had grown paler and gaunter under his watch. He feared the underworld would sink her spirit, too. One of them had to have some sort of hope they'd make it out alive.
Her body trembled, and her skin was paler than he first thought.
There were still circles under her eyes and she was paler than normal.
Leeches are usually olive green to brown in colour, darker patches and spots being scattered over a paler ground.