let's know what will happen in the fight of gojo versus Sukuna without megumi's vessel. okay without megumi's vessel he he cannot call the mahoraga.so go Jo can take some extra facilities. we saw in the domain clash, sukuna brought Megumi's soul in place of his, so that Sukuna would not be hurt in Gojo's domain.but on this time he have no megumi's vessel.so gojo can kill him