The parallel universe is all around us
The depths of our earth are in the multi-dimensional space. As long as you are fast enough, you can cut through the limitations of space with a single cut , And then enter another parallel world.
Of course, it is estimated that the required knife speed may be close to the speed of light.
The movie Jet Li uses nuclear energy to travel through, but in fact this method is very difficult.
And killing yourself there will not get the energy bonus.
Because countless flat universes are different, there may be you, and you may not have you.
You may be the overlord in that space, or you may be a beggar, and so on.
The reason why I do not come to you in another dimension is because it is difficult to do, and there is no need to interfere.
It is better to go their own way.
Think about it, there may be millions, tens of millions, or even hundreds of millions of Parallel universe.
Some universes are dead, some may be active, and some may be fairy civilization.
No matter how strong it is, it is impossible for a person to interfere in all parallel universes, because it is too vast.
Leave some space for yourself to fight.