BattleCruiserCommander Unbeatable? My OMEGA also has a death star laser, except it has a ton of shields too. Once those EMP missiles (36 of them) hit your shields, they will almost instantly take them down as well as damage the generators. Since Death Star lasers do little damage to shields (at least, the Micro Shield Generators from the MicroTech mod) then it's a matter of whose shields fall first. Battle-tested, no ship in the game, even most of our own can't get through even our fighter shields without using Overcharged Battery weapons or Electro Bolts. Even Turbolasers cannot penetrate the shields. Try these:
https://forum.cosmoteer.net/d/3118-the-nova-corp-s-ships