Test out new mech Citadel and try to survive in Onslaught trial mode

Experiment with different battle strategies in Onslaught trial mode. Test out the new mech, Citadel, and defeat waves of enemies. You don't need to own Citadel or any specific weapons to take part - just jump in and fight your way through the horde. Compete to make it onto the leaderboard and earn the chance to win this legendary support mech in an event crate rush. The Citadel campaign will become available once you reach 1500 XP. Be quick though, it's only live from 6-31 March!