This is definitely a tough battle to decide. Despite popular belief, I would say that Legion’s firepower is superior to Ghidorah’s. Whether he is in Grand King form or in Keizer mode, I don’t believe that King Ghidorah can match up to Legion’s powerful thunder laser. Legion can also make a handy barrier and we can’t forget her energy whips either. Ghidorah’s best chance is likely his Monster X form since it gives him a good amount of agility or his Mecha King Ghidorah form since he can absorb part of the blast. It’s a tough battle, but I’ll have to give Legion the win this time. Ghidorah’s flight speed can make this dangerous, but Legion’s firepower is just too formidable. Legion wins.