C173 Why did he fall down just like that?!

Why did he fall down?

She wouldn't give up on herself until the very last moment.

She dodged to the side and the rebel soldier's face changed. He looked frightened as he looked at the mountain cliff that had suddenly jumped into the air and fell down to the ground. It was too late for regret.

Before he fell, he was waving his arms wildly, trying his best to grab onto something