The midwife sacrificing her life for a stranger's child. Simply because it was the right thing to do.
Airk's death near the end of the film.
When she was transformed into a muskrat decades ago, Raziel was a young, beautiful sorceress. When she's returned to human form, she's understandably saddened to find that the spell didn't return her to the state she was in. Back in human form, she's now an old woman, and you finally realize just how much of her life was wasted on that island.