The First Descendant’s new mode is Destiny 2’s Onslaught with a few extra steps

The First Descendant detailed a new mode coming to the game with the April update, and it shares both the name and some gameplay elements with Onslaught from Destiny 2.

During the livestream on April 14, The First Descendant shared gameplay of Onslaught, releasing as a beta on April 16. In Onslaught, you defend a target from waves of enemies using turrets and barriers, on top of simply defeating them with your weapons or abilities.