The Buddhist door has been destroyed, its foundation seized. If Jiang Chen were in the position of Tathagata Buddha and the others, he too would feel unwilling to accept defeat, resorting to every possible means to reclaim everything.
Therefore, once the opportunity arises, those fallen figures like Tathagata Buddha would surely reappear with the vanished Five Realms, vying with Jiang Chen for the Buddhist door orthodoxy.
For now, Tathagata Buddha and the others are far from being Jiang Chen's match, and thus remain hidden.
But in the future, when Jiang Chen wages war against the Great Divine Transcendents of Dongsheng Divine Continent in full force, that signifies the ripening of opportunity. At that moment, Tathagata Buddha and the others will emerge, striking Jiang Chen with a ruthless betrayal.
