If itach manage to stab sasuke with totsuka blade,can sasuke swap himself with objects or he can simply use itachi and replace himself (since itachi can step out susano amor).As a result itachi seal himself
Its a spiritual weaponOrichimaru ,and nagato were talking for some minute after they got stab,this is enough time to use s/t ,and let itachi solo himself
Ohh my look who is back.If itach manage to stab sasuke with totsuka blade,can sasuke swap himself with objects or he can simply use itachi and replace himself (since itachi can step out susano amor).As a result itachi seal himself