Onslaught is a wave-based survival activity introduced in the Into the Light update, set in the embattled streets of the Last City. It’s a high-intensity defense mission where Guardians must protect an Advanced Defense Unit (ADU) from relentless waves of enemies, culminating in a boss fight aboard a Pyramid ship.

Core Mechanics
Team Size: 3-player Fireteam,
Objective: Defend the ADU from 10 or 50 waves of enemies depending on the mode