Which preposition to use with atys

from Occurrences 1%

Croesus dreamt that his son, Atys, would be slain by an iron instrument, and used every precaution to prevent it, but to no purpose; for one day Atys went to chase the wild boar, and Adrastus, his friend, threw a dart at the boar to rescue Atys from danger; the dart, however, struck the prince and killed him.

Which preposition to use with  atys