Can someone give this used JPN sentence in this trailer in written form?

[Murakumo]

Can someone give me the sentence of Japanese used in this video at the video-times of 2:59 to 3:04 in written Japanese form? Thanks. Link is below


http://www.youtube.com/watch?v=IwPVc6Knv-0

 

[FinalPyre]

僕はこの時のために戻ってきたんだ。決着をつけるよ。