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The Leviathan firing its orange laser across the deck of the boat, between red containers, Leviathan, Call of Duty Black Ops III Zombies

Leviathan:
Easter Egg

The Leviathan main quest step by step: the One Inch Punch and the Diver, the Vrill Device, Dr. Zav and Poseidon's Eye, the Rainbow Uranium, the backup power, the QEDs and the fight against the Leviathan.

  • 6 min de lectura
  • 8 capítulos
  • actualizado
Leer Leviathan Clasificación

Before starting

The main quest of Leviathan frees the man held in the cryo tube and ends in a fight against the Leviathan. The Workshop page says it can be completed solo. It needs the power, a Hacker, Semtex or other grenades, and three items to bring to the cryo tube: the Vrill Device, Poseidon’s Eye and the Rainbow Uranium. The keypad of the Pack-a-Punch submarine is used several times.

Step 1: the One Inch Punch

  1. Survive the first Leaper round, between rounds 5 and 7. The last Leaper drops a key, with a Max Ammo.
  2. In the Laboratory, go to the office with the wheelchair and the painting, where Mule Kick stands, and open the drawer of the desk with the key. Take the skull.
  3. Carry it to the Pantheon, under the Biodome, and set it on the altar in the middle. Kill zombies around it until it is full of souls, turns blue and opens a portal.
  4. Through the portal, in a room with four statues, throw a grenade at each statue to put out the orange orb above it, then interact with the glowing light on the central pillar. The floor gives way and the Diver appears.
  5. Shoot him until he leaps to the middle of the arena and charges his attack, then hide behind a pillar: the blast kills anyone in the open. Kill the Leapers that follow. The cycle comes three times, the last one with the Diver in red.
  6. Take the One Inch Punch from the orb in the middle of the arena, and go back through the portal behind his throne.
The skull in the open drawer of the office desk, beside a wheelchair, Hold to pickup Skull, Leviathan, Call of Duty Black Ops III Zombies

The skull

In the drawer of the office desk, opened with the key of the Leapers.

The portal of the Pantheon

Opened by the skull once it is full of souls; it leads to the Elysium Arena.

Step 2: the Vrill Device

Back in the office, punch the painting with the One Inch Punch. It opens onto a safe that holds the Vrill Device.

The painting on the wall of the Laboratory office, between red curtains, Leviathan, Call of Duty Black Ops III Zombies

The painting

On the wall of the office, between red curtains.

The safe behind the painting, opened, with the prompt Hold F to pickup Vrill Device, Leviathan, Call of Duty Black Ops III Zombies

The Vrill Device

In the safe behind the painting, once it is punched open.

Step 3: Poseidon’s Eye

  1. In the Laboratory, interact with the dented metal door across from the office: Dr. Zav speaks from behind it.
  2. In the Submarine Launch Facility, four computers now show numbers. Each one is wired to a button on the walls of the room; press the buttons in the order of the numbers.
  3. Play the Simon Says game on the computers. Once won, the screens show a four-digit code.
  4. Type the code on the keypad of the Pack-a-Punch submarine. The cockpit opens; take the valve from the seat.
  5. Fit the valve on the five pipes that ask for it, and turn each one: in the Submarine Launch Facility, in the Cafeteria, outside the backup power room, in the crafting room on the left of the Reception, and in the tunnel near Stamin-Up.
  6. In a side room of the cryo tube room, five colored tubes now have a number under them. The code always runs green, blue, red, white, yellow.
  7. Outside the Biodome, fit the valve on the one pipe that misses it, then turn the five gauges to those numbers. Steam comes out of the pipes when they are right.
  8. Fit the valve on the pipe beside the metal door of the Laboratory and turn it. Dr. Zav comes out.
  9. Escort him, staying close so that he keeps walking, and revive him if the zombies bring him down. He leads to the room of PhD Flopper and opens the door to Poseidon’s Eye.
The four computers of the Submarine Launch Facility showing the code after the Simon Says game, Leviathan, Call of Duty Black Ops III Zombies

The code

The four screens after the Simon Says game.

The valve fitted on pipe number 1, the green one, Leviathan, Call of Duty Black Ops III Zombies

A valve pipe

Pipe number 1, the green one; each pipe has its number and its color.

The five colored tubes with a numbered canister under each, Leviathan, Call of Duty Black Ops III Zombies

The five tubes

The colored tubes and their numbered canisters, the pressure readings.

The bare pipe beside the metal door of the Laboratory, Hold F to attach valve, Leviathan, Call of Duty Black Ops III Zombies

The valve and the metal door

The last pipe, beside the door of Dr. Zav.

Dr. Zav walking out into the corridor of the Laboratory after the valve is turned, Leviathan, Call of Duty Black Ops III Zombies

Dr. Zav

Out of his room, he walks through the Laboratory; the zombies go after him.

Poseidon's Eye, a crate of pale blue crystals behind the door opened by Dr. Zav, Leviathan, Call of Duty Black Ops III Zombies

Poseidon’s Eye

The crystals behind the door he opens.

The harpoon upgrade

Poseidon’s Eye also upgrades the Harpoon Gun at the crafting table of the Laboratory, the weapon most guides use against the final boss.

Step 4: the uranium

  1. In the room of Double Tap, press the button of the cryo chamber.
  2. With a Hacker, hack one of the four panels around the cryo tube. A button somewhere in the base starts to flash and beep; find it and press it. Do the same for the four panels.
  3. Come close to the tube and let the man speak.
  4. Below the backup power room, press the button that releases the mines. Go outside to a mine and shoot it when the second submarine passes right over it.
  5. The submarine crashes outside the room of PhD Flopper. Take the uranium from beside it.
  6. Carry it to the cryo tube. It explodes if it stays in the air too long, so Tunnel 11, the Biodome and the Submarine Launch Facility should be flooded first; the codes 2473, 0439 and 0743 start their excavators. If it explodes, take another and start again.
A player with the Hacker at one of the panels around the cryo tube, Hold F to Hack, Leviathan, Call of Duty Black Ops III Zombies

The panels of the cryo tube

Four panels around the tube, each hacked in turn.

One of the wall panels to press after a hack of the cryo tube, with its green light, Leviathan, Call of Duty Black Ops III Zombies

A panel to press

One of the wall panels; after each hack, the one to press flashes and beeps.

The uranium on a crate beside the wreck of the second submarine, Hold to pickup Uranium, Leviathan, Call of Duty Black Ops III Zombies

The uranium

The rock left by the wreck of the second submarine, outside the room of PhD Flopper.

Step 5: the soul generator and the backup power

  1. In the outdoor area of Speed Cola, press the button of the soul generator. The platform locks down; kill zombies on it until the generator is full.
  2. Press the button again for the Rainbow Uranium and a Max Ammo. The power of the base goes out.
  3. Defend three panels in lockdown: in the Laboratory near the harpoon table, in the round room next to the Cafeteria, and in the Reception. A failed lockdown can only be tried again in the next round.
  4. In the backup power room, the room with the wall of screens, pull the switch to bring the power back.

Step 6: the QEDs and the Gersh Device

  1. Throw a QED at each of three sheds that flash and buzz outside the base: in front of the Power Room, off the jump pad platform of the backup power room, and to the left of the soul generator. The code 9355 on the keypad gives free QEDs.
  2. At the cryo tube, set the Vrill Device, Poseidon’s Eye and the Rainbow Uranium on the machine.
  3. Throw a Gersh Device into the tube. The man disappears. Take back the Vrill Device with no player down: the Steam guide warns that a player who is down misses the reward, a perma perk that gives all the perks.

A shed

One of the three targets of the QEDs, outside the base.

The three items

The Rainbow Uranium, Poseidon’s Eye and the Vrill Device on the machine of the cryo tube.

The perma perk

The ten perks of the map, all at once, for every player who is not down.

Step 7: the Leviathan

When everyone is ready, go to the room of the submarine near the Reception and press its panel. The fight takes place on the deck of a boat, in three phases, each ending with a Max Ammo.

The Leviathan firing its orange laser across the deck of the boat, between red containers, Leviathan, Call of Duty Black Ops III Zombies

Phase 1

Shoot the Leviathan while dodging the zombies and its attacks: tentacle shots that slow and blind, an orange laser that sets the player on fire, tentacle slams on the deck, and a deadly charge to wait out behind the crates in the middle. Halfway through, it moves to the other side of the boat.

The Diver of the second phase on the deck of the boat, Leviathan, Call of Duty Black Ops III Zombies

Phase 2

A Diver comes on board, with a large health pool. Poseidon’s Wrath, kept for this moment, deals with him quickly.

Phase 3

The same as the first phase, with the Leviathan changing sides again halfway.

Loadout

The guides advise the God mask, the upgraded crystal harpoon, an upgraded LMG such as the RPK, the Ray Gun Mark II, Gersh Devices thrown at the boss, and in co-op an upgraded crossbow to draw the zombies.