This will be an expedition spanning 200 years of time and space, and the opponent will be the dead soul like them.
When time stagnates at this moment, they are doomed not to see the results of this expedition, and no one will even remember the choices they made at the last second of their dying.
Even so, the expedition was not pointless.
As Dr. Wu said, they can't change what has happened.
But they can still decide what people who open the coffin will see and find from the dark and cold box.
Where that will determine what they will go to