Wtf?
Two paired portals are passed through each other, with matter inserted in the gap in between. The yield is unbelievable, as the fabric of space and time are torn apart at the location of the collapse. The matter is converted into the basic forces that govern it. This being said, a massive outward force pulse instantaneously forces observing fleets 100 ly away a whole ly.
This theory is coined the "Quantum Knot Theory" or the "Gordian Knot Process".