Judging by the way he said it, Sasuke must of used his own eye to teleport himself, Sakura, and Obito out of the sand dimension.
FTG does require marks yes...
But it doesnt have a huge cooldown like Sasukes eye and isnt limited in range
by this chapter people will believe how cool and better ftg is. minato would have saved both from bones
Judging by the way he said it, Sasuke must of used his own eye to teleport himself, Sakura, and Obito out of the sand dimension.