kcgrabin
Hust a guess but alex going back in time and becomes the immortal paragon then goes back to his present Time as for how he went into the past it was cause of the desire of the beings to not suffer under the reIgn of the true gods specifically the power sYstem thus DragGing him into the past or he got thrown back in time to grow stronger and experience difficulties or He is in a created world by the endless monarch to see how alex will act in such a situation and grow to.