Advanced Warfare Descent Exo-Zombies Reunion Guide:

Head to the Tidal Generator area and fire three bolts on the top of the walls until you see three blue lights switched on. This will open up an entrance to new Mark-25 Upgrade Station. Now you need to  depressurize the door to the Floodable  air lock area and then make sure you go to Trident Retreat’s The Landing Welcome Center where you will find the Exo-Goliath suit. Now make your way towards the Promenade and head towards the Lounge. When you reach the Floodable Air-Lock area you need the water to pour in, after that you need to find path which is lit by red lights. This will lead you to the door of Mark-25 Upgrade Station. You will then be presented with a Drone Challenge. Simply destroy the five drones flying around using CEL-3 Cauterizer.

Now you need to head to a Bomb Charging Station at the Concierge area, however you need to kill all the zombies but you need to make sure that electric charged zombies hit you. Next up is the Grenade challenge for which you need to use contact grenades. Now using Exo boosts you needs to completed the jump puzzle but make sure you take care of the zombies that can hit you anytime. Next up is the Move challenge in which you will lose every step you take. Once this is completed you will then need to complete Simon Says game which will require you to head to the Reception Self Check-In and activate the lights in this order: 1, 3, 1, 2, 4, 2.

Now you need to complete another challenge i.e. Friendly Fire Challenge where Lilith, Oz, Decker, and Kahn try and kill you. But you can kill these clones so take down zombies instead. Now you need to complete Number Board Puzzle, so make sure you go to Tidal Generator area where you will find a board with four rows. Here is the correct combination. Row 1: exo-slam hits, Row 2: jumps, Row 3: equipment buys, Row 4: kills. And finally, the last challenge is the Rocket challenge wherein you need to take down enemies using Mahem MK-25 Rocket Launcher. Once this is over, head back toTidal Generator and access the Upgrade Station so that you can reach the Memory Tester Machine. This will ensure that you will be able to access Oz’s memory. This will lead you to another area where you will fighting off zombies with 3 team mates [AI or co-players]. If you survive you will unlock the Reunion Achievement/Trophy.

Weapons Guide: KL03-Trident

Glitches:

Teleport Glitch:

Achievements and Trophy Guide:

Smooth Operator

Defeat Oz in Descent.

How The Mighty Have Fallen

Defeat Oz… again in Descent.

Reunion 

Complete Oz’s Challenges in Descent. [refer the guide above]

Big Game

Kill Oz with a Blunderbuss in Descent. [refer the How The Mighty Have Fallen guide above]

Coast 2 Coast

Cross the water with a teleport grenade in Descent.

Size DOES Matter

Punch Oz with a Goliath in Descent.

K.O.

Punch 20 enemies with a Goliath in Descent.

Nah, I’m Good 

Reach round 7 without anyone opening a door in Descent.

Trick Shot 

Kill 100 enemies behind you with the KL03-Trident

Double Tap

Defeat Oz for the last time in Descent.

This guide will be updated once we have more information about the game.