Will Arthur Leywin be able to protect what is important to him?

What if Arthur failed to protect everyone and in rage starts a death march towards the asuras of Vritra and Indrath clan. But because of one mistake all the sacrifices made would have been in vain so to protect all of them Arthur Sylvie and Regis make one last attempt to reset the timeline will they be able to protect everyone this time and will Arthur be able to live a life he always desired.