Destiny 2 – How to override Brakion’s Access Gate – Boss Fight is one of many steps required to complete the mission and unlock the Vexcalibur Exotic Glaive. The picture presents the first puzzle solution to the last encountered access code during the “NODE.OVRD.AVALON” quest in the European Dead Zone (EDZ), The Gulch landing zone. To solve it, you need to find the symbol tower that tells you the order, repeat the pattern, and shoot the symbol one at a time on the central platform. The symbols are randomly generated.