first play thru

so i currently have 2 saves, one solo with my own chara and another thats co op with my gf. both saves are in act 3 now but the second save is at the beginning whereas my first save, im almost about to beat the game...

astarion is one of my fav characters and i got to his ascension part and i told him no and he left my party forever!!! NOW I HAVE TO GO BACK AND LET HIM 😔 AHHHHH