To Louisoix

[Holy_Dragoon]

There is a theory that the past can not be changed, and sending us back would result in us potentially dieing, causing the 7th Umbral Era all over again while another set of adventurers dealt with the "current situation" (vague for spoilers on purpose)

[Hohenheim]

There is a theory that the past can not be changed, and sending us back would result in us potentially dieing, causing the 7th Umbral Era all over again while another set of adventurers dealt with the "current situation" (vague for spoilers on purpose)

Yea that usually how time travel works in media

[Colino]

There is a theory that the past can not be changed, and sending us back would result in us potentially dieing, causing the 7th Umbral Era all over again while another set of adventurers dealt with the "current situation" (vague for spoilers on purpose)

Exactly.

It's just like how the echo allows us to "see" the past, but not interact with it or change it in any way. So sending us back would be pointless.