Dumb The ISAV Desmond opens fire on the ship, scorching it's hull with the lighter fusion bolts, and outright melting it with the ion-fusion bolts, it was at this point that the rest of the fleet opened fire, it should be in mere seconds the ship would have had a snowballs chance in hell of actually surviving the attack, except that it did, through unknown means, it managed to survive the attack, until the fleet opened fire with its Antimatter Projectors at full power, whatever the ship was before they fired was certainly not what it is now, pieces of flesh and metal intertwined, sure it was deadly, but when hit by several hundred tons of antimatter, the resulting annihilation created massive amounts of energy, which exploded outward onto the ship, heating it FAR beyond its melting point, vaporizing most of the vessel leaving very little behind
(out of RP: lets be serious here, there was no way it could have actually taken out the fleet)