Amother possibility....the dreadnaught was HUGE....it’s quite possible it had some kind of gravitational field around it

As I stated above. I think the lightsaber being ripped in half MAY have contributed to the destruction. Both happened at the same time.

Im kinda thinking that the lightsaber ripping in two MAY have contributed to what we saw. Both events happened at the exact same time.

FRom what I understand, they were magnetic