The Mirror Invasion returns to Star Trek Online on November 9, for a limited time until November 30. In addition to earning a choice of marks for playing the Mirror Invasion queued event, players can run a new reputation project to earn a huge reward of Dilithium, Marks and a brand new unique ground weapon, Mirror Universe Phaser Dual Pistols!
Marks can be earned based on performance through closing portals, keeping the station’s health high, leveling up the defenses of the station and defeating the Mirror Dreadnought within the time limit. Once a day, players will be awarded a Multidimensional Transporter for playing this event. Collect 14 of them and receive 50,000 Dilithium Ore, 500 Fleet Marks, 250 Marks of Your Choice and the brand new unique ground weapon. if you manage to complete the project on any character, you will at the same time unlock this new weapon for all characters across your account.
For additional information and details, you can also check out the Official Page.