As soon as their swords meet (or even slash at a bearing from another school), the battle will end with the victory of Death because no one survives.
There have been quite a few fictional technologies in the past that have come true, but a weapon like lightsaber will probably only be a product of imagination.
Although the theory proves that it is possible to create a light sword, it has the ability to become the most dangerous weapon ever created, both for users and victims.
Scientists have found a way to bind photons of light that can produce fixed and fixed light.
Recently, scientists at Harvard University and MIT have demonstrated that in certain conditions, photons can interact with each other and form molecules.