Use "befallen" in a sentence

1. And what I have feared has befallen me.

Điều tôi kinh hãi đã xảy ra cho tôi.

2. You alone are responsible for the misfortune that has befallen Camelot.

Chỉ mình cậu mang trách nhiệm cho tai ương vừa giáng xuống Camelot.