The fourth adventure zone in Star Trek Online is Nimbus III. This zone has a level cap of 20-30. Players above this level will be reduced. The first time you encounter the rare boss, you will be immediately alerted. Follow these steps to defeat the boss. The Elachi Dreadnought is the final boss. This monster can also be found in the episode “Beneath the Skin”.
Star Trek Online Guide – How to Help Defeat a Rare Boss in Nimbus III