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Armored Core VI: Fires Of Rubicon L-Back Unit Parts Guide

Here is the Armored Core VI: Fires Of Rubicon L-Back Unit Parts guide which will help you acquire every Left Back Unit part of which there are 45, however, you won’t be able to acquire them all until you are in New Game ++ (your third playthrough).

Video courtesy of FuzionByte.

Left Back Units are very useful parts to have equipped on your rig as you can have a shield, you can have a homing missiles, laser turrets and a smorgasbord of weaponry at your disposal making you deadly in any situation.

To see which L-Back Unit parts you have acquired, go: Garage> AC Design, Assembly> Unit> L-Back Unit. You won’t actually need to equip any of the L-Back Unit parts as you work towards Weapon Collector, simply having them in your inventory is enough of a requirement, however, I do recommend testing out each part you obtain as you might just find a weapon that gives you the edge in a tougher mission.

The 45 L-Back Unit parts are as follows:

  1. SI-24: SU-Q5 Pulse Shield.
  2. BML-G1/P20MLT-04 Missile Launcher.
  3. BML-G1/P31DUO-02 Dual Missile Launcher.
  4. VP-60LCS Laser Cannon.
  5. BML-G1/P03VTC-08 Vertical Missile Launcher.
  6. Vvc-70VPM Plasma Missile Launcher.
  7. SI-29: SU-TT/C Pulse Buckler.
  8. BML-G3/P04ACT-01 Active Homing Missile Launcher.
  9. BML-G1/P01VTC-04 Vertical Missile Launcher.
  10. VP-61PS Pulse Shield.
  11. VP-61PB Pulse Buckler.
  12. Songbirds Grenade Cannon.
  13. BML-G2/P05MLT-10 Missile Launcher.
  14. BML-G2/P16SPL-08 Split Missile Launcher.
  15. Vvc-703PM Plasma Missile Launcher.
  16. SI-27: SU-R8 Pulse Shield.
  17. BML-G1/P32DUO-03 Dual Missile Launcher.
  18. 45-091 Jvln Beta Detonating Missile Launcher.
  19. SB-033M Morley Spread Bazooka.
  20. VE-60SNA Stun Needle Launcher.
  21. VP-60LCD Diffuse Laser Cannon.
  22. EULE/60D Pulse Shield Launcher.
  23. BML-G2/P03MLT-06 Missile Launcher.
  24. BML-G2/P17SPL-16 Split Missile Launcher.
  25. BML-G3/P05ACT-02 Active Homing Missile Launcher.
  26. Vvc-706PM Plasma Missile Launcher.
  27. VP-60LT Laser Turret.
  28. 45-091 Orbt Laser Orbit.
  29. Vvc-700LD Laser Drone.
  30. IA-C01W3: Aurora Light Wave Cannon.
  31. Earshot Grenade Cannon.
  32. Fasan/60E Plasma Cannon.
  33. BML-G2/P19SPL-12 Split Missile Launcher.
  34. BML-G2/P08DUO-03 Dual Missile Launcher.
  35. BML-G1/P07VTC-12 Vertical Missile Launcher.
  36. BML-G1/P29CNT Container Missile Launcher.
  37. WR-0999 Delivery Boy Cluster Missile Launcher. (New Game +).
  38. WS-5001 Soup Scatter Missile Launcher. (New Game +).
  39. VE-61 PSA Pulse Scutum. (New Game +).
  40. VE-60LCA Laser Cannon. (New Game +).
  41. Kranich/60Z Pulse Cannon. (New Game +).
  42. B0-044 Huxley Bullet Orbit. (New Game +).
  43. EL-PW-01 Trueno Needle Missile Launcher. (New Game ++).
  44. IB-C03W4: NGI 028 Coral Shield. (New Game ++).
  45. IB-C03W3: NGI 006 Coral Missile Launcher. (New Game ++).
 

Your back weaponry plays a vital role with the Left side of your back able to equip Shields as well as offensive weaponry which can help a great deal against certain types of enemies who are unrelenting in their attempts to bring you down.

A shield can absorb a good amount of damage then, as they reload, you can send a barrage of your own offensive weaponry towards them where you will hopefully come out of the fight victorious.

SI-24: SU-Q5 Pulse Shield

Requirements: Purchasable from the Parts Shop.
Cost: $43,000.

You can purchase the SI-24: SU-Q5 Pulse Shield from the Parts Shop after having completed the Destroy Artillery Installations mission.

BML-G1/P20MLT-04 Missile Launcher

Requirements: Purchasable from the Parts Shop.
Cost: $74,000.

The BML-G1/P20MLT-04 Missile Launcher will be available for purchase in the Parts Shop as soon as you complete the Destroy Artillery Installations mission.

BML-G1/P31DUO-02 Missile Launcher

Requirements: Purchasable from the Parts Shop.
Cost: $144,000.

You can purchase the BML-G1/P31DUO-02 Dual Missile Launcher from the Parts Shop once the Destroy Artillery Installations mission has been completed.

VP-60LCS Laser Cannon

Requirements: Complete Mission 7: Destroy the Weaponized Mining Ship.
Cost: $147,000.

Once you have completed Mission 7: Destroy the Weaponized Mining Ship you will be able to purchase the VP-60LCS Laser Cannon from the Parts Shop.

BML-G1/P03VTC-08 Vertical Missile Launcher

Requirements: Complete Mission 7: Destroy the Weaponized Mining Ship.
Cost: $112,000.

The BML-G1/P03VTC-08 Vertical Missile Launcher will be available to purchase in the Parts Shop once you have completed Mission 7: Destroy the Weaponized Mining Ship.

Vvc-70VPM Plasma Missile Launcher

Requirements: Complete Mission 7: Destroy the Weaponized Mining Ship.
Cost: $96,000.

Once Mission 7: Destroy the Weaponized Mining Ship has been completed and the Strider has been permanently decommissioned, you can purchase the Vvc-70VPM Plasma Missile Launcher from the Parts Shop.

SI-29: SU-TT/C Pulse Buckler

Requirements: Complete mission 8: Operation Wallclimber.
Cost: $62,000.

Once you have defeated the Juggernaut and have finished Mission 8: Operation Wallclimber, you can then purchase the SI-29: SU-TT/C Pulse Buckler from the Parts Shop.

BML-G3/P04ACT-01 Active Homing Missile Launcher

Requirements: Complete mission 8: Operation Wallclimber.
Cost: $98,000.

The BML-G3/P04ACT-01 Active Homing Missile Launcher will be available to purchase in the Parts Shop after you have finished Mission 8: Operation Wallclimber.

BML-G1/P01VTC-04 Vertical Missile Launcher

Requirements: Complete training module 6: Intermediate Support 4: Tank ACs.
Cost: Free.

Once you have completed Training module 6: Intermediate Support 4: Tank ACs you will be gifted the BML-G1/P01VTC-04 Vertical Missile Launcher.

VP-61PS Pulse Shield

Requirements: Complete Mission 11: Attack the Watchpoint.
Cost: $123,000.

Completing Mission 11: Attack the Watchpoint will cause the VP-611PS Pulse Shield to become available for purchase from the Parts Shop.

VP-61PB Pulse Buckler

Requirements: Complete Mission 11: Attack the Watchpoint.
Cost: $76,000.

After you have taken down both bosses and complete Mission 11: Attack the Watchpoint, the VP61PB Pulse Buckler will become available for purchase in the Parts Shop.

Songbirds Grenade Cannon

Requirements: Complete Mission 11: Attack the Watchpoint.
Cost: $182,000.

Once you have complete Mission 11: Attack the Watrchpoint, the Songbirds Grenade Cannon will become available in the Parts Shop.

BML-G2/P05MLT-10 Missile Launcher

Requirements: Complete Mission 11: Attack the Watchpoint.
Cost: $165,000.

Completing Mission 11: Attack the Watchpoint will reveal the BML-G2/P05MLT-10 Missile Launcher in the Parts Shop.

BML-G2/P16SPL-08 Split Missile Launcher

Requirements: Complete Mission 11: Attack the Watchpoint.
Cost: $85,000.

After you have destroyed the Watchpoint and defeated every foe who stands before you, the BML-G2/P16SPL-08 Split Missile Launcher will become available for purchase in the Parts Shop.

Vvc-703PM Plasma Missile Launcher

Requirements: Complete Mission 11: Attack the Watchpoint.
Cost: $202,000.

Completing Chapter 1 in its entirety will make the Vvc-703PM Plasma Missile Launcher available for purchase in the Parts Shop.

SI-27: SU-R8 Pulse Shield

Requirements: Complete Mission 14: Ocean Crossing.
Cost: $100,000.

Completing Mission 14: Ocean Crossing will make the SI-27: SU-R8 Pulse Shield available for purchase in the Parts Shop.

BML-G1/P32DUO-03 Dual Missile Launcher

Requirements: Complete Mission 14: Ocean Crossing.
Cost: $180,000.

You will need to avoid the PCA Satellites, defeat the Sea Spider then get blasted across Rubicon concluding Mission 14: Ocean Crossing before the BML-G1/P32DUO-03 Dual Missile Launcher becomes available for purchase in the Parts Shop.

45-091 Jvln Beta Detonating Missile Launcher

Requirements: Achieve Hunter Rank 4.
Cost: $210,000.

You will need to achieve Hunter Rank 4 which you can do by collecting Combat Logs found throughout the various missions in game.

Check out the Combat Log Collector guide for how to find every Combat Log in the game, then once you have achieved Hunter Rank 4 which you will have done providing you collect every Combat Log available by the end of Mission 14: Ocean Rising which also closes Chapter 2 will make the 45-091 Jvln Beta Detonating Missile Launcher available for purchase in Parts Shop. 

SB-033M Morley Spread Bazooka

Requirements: Complete Mission 26: Destroy the Ice Worm.
Cost: $255,000.

You will need to defeat the Ice Worm in Mission 26 concluding Chapter 3 before the SB-033M Morley Spread Bazooka becomes available for purchase in the Parts Shop.

VE-60SNA Stun Needle Launcher

Requirements: Complete Mission 26: Destroy the Ice Worm.
Cost: $283,000.

The VE-60SNA Stun Needle Launcher is the weapon you use to remove the primary shield from the Ice Worm at the end of Chapter 3,

VP-60LCD Diffuse Laser Cannon

Requirements: Complete Mission 26: Destroy the Ice Worm.
Cost: $215,000.

Once you have decommissioned the Ice Worm in Mission 26, the VP-60LCD Diffuse Laser Cannon will become available for purchase in the Parts Shop.

EULE/60D Pulse Shield Launcher

Requirements: Complete Mission 26: Destroy the Ice Worm.
Cost: $243,000.

After you have completed Chapter 3 which is done by defeating the Ice Worm, the EULE/60D Pulse Shield Launcher will be available for purchase in the Parts Shop.

BML-G2/P03MLT-06 Missile Launcher

Requirements: Complete Mission 26: Destroy the Ice Worm.
Cost: $111,000.

Beginning Chapter 4 which will unlock after you have defeated the Ice Worm in Mission 26 will cause the BML-G2/P03MLT-06 Missile Launcher to spawn in the Parts Shop.

BML-G2/P17SPL-16 Split Missile Launcher

Requirements: Complete Mission 26: Destroy the Ice Worm.
Cost: $160,000.

You will need to complete Mission 26: Destroy the Ice Worm with your teammates before the BML-B2/P17SPL-16 Split Missile Launcher will become available for purchase in the parts Shop.

BML-G3/P05ACT-02 Active Homing Missile Launcher

Requirements: Complete Mission 26: Destroy the Ice Worm.
Cost: $145,000.

Once you begin Chapter 4 which becomes available after V.IV Rusty railguns the Ice Worm you will then be able to purchase the BML-G3/P05ACT-02 Active Homing Missile Launcher from the Parts Shop.

Vvc-706PM Plasma Missile Launcher

Requirements: Complete Mission 26: Destroy the Ice Worm.
Cost: $310,000.

Defeating the Ice Worm in Mission 26 not only concludes Chapter 3, it also makes the Vvc-706PM Plasma Missile Launcher available to purchase in the Parts Shop.

VP-60LT Laser Turret

Requirements: Complete Mission 26: Destroy the Ice Worm.
Cost: $194,000.

Concluding Chapter 3 will make the VP-60LT  Laser Turret available for purchase in the Parts Shop.

45-091 Orbt Laser Orbit

Requirements: Achieve Hunter Rank 6.
Cost: 280,000.

You will need to attain Hunter Rank 8 which is done by collecting Combat Logs throughout the game. Providing you are following along with the Combat Log Collector guide, you will achieve Hunter Rank 8 once you have finished Mission 28: Underground Exploration – Depth 2 making the 45-091 Orbt Laser Orbit available for purchase in the Parts Shop.

Vvc-700LD Laser Drone

Requirements: Clear all aptitude tests in the Arena.
Cost: Free.

There are 29 Arena matches in the first playthrough to complete, all of which will unlock once you complete Mission 29: Underground Exploration – Depth 3 and are a one vs one test of skill against your opponents.

Check out the Master of Arena guide for how to complete all base Arena fights required to unlock the Vvc-700LD Laser Drone.

IA-C01W3: Aurora Light Wave Cannon

Requirements: Loot the Parts Container in Mission 32: Reach the Coral Convergence.
Cost: $340,000.

At the start of the mission you will need to take down 2 AC’s: G3 HuaHai and V.VI Maeterlinck. Once they’re both down, turn around from the mission marker and go in the opposite direction towards the zone barrier.

You need to fly up to the roof the small building where you will find the container which holds the IA-C01W3: Aurora Light Wave Cannon for the R-Back, you can then purchase the IA-C01W3: Aurora Light Wave Cannon from the Parts Shop for your L-Back.

Earshot Grenade Cannon

Requirements: Complete Mission 33: Escape.
Cost: $303,000.

Once you have taken down CEL 240 concluding Chapter 4 then completing the first Mission in Chapter 5: Escape you will then be able to purchase the Earshot Grenade Cannon from the Parts Shop.

Fasan/60E Plasma Cannon

Requirements: Complete Mission 33: Escape.
Cost: $217,000.

Once you have completed the first Mission in Chapter 5: Escape you will then be able to purchase the Fasan/60E Plasma Cannon from the Parts Shop.

BML-G2/P19SPL-12 Split Missile Launcher

Requirements: Complete Mission 33: Escape.
Cost: $123,000.

Completing Mission 33: Escape will make the BML-G2/P19SPL-12 Split Missile Launcher Available to purchase in the Parts Shop.

BML-G2/P08DUO-03 Dual Missile Launcher

Requirements: Complete Mission 33: Escape.
Cost: $228,000.

Completing Chapter 4 then finishing Mission 33: Escape will make the BML-G2/P08DUO-03 Dual Missile Launcher available for purchase in the Parts Shop.

BML-G1/P07VTC-12 Vertical Missile Launcher

Requirements: Complete Mission 33: Escape.
Cost: $188,000.

You will firstly need to complete Chapter 4 by taking down CEL 240 where you will then be straight into Mission 33: Escape. Complete the Escape Mission to make the BML-G1/P07VTC-12 Vertical Missile Launcher available for purchase in the Parts Shop.

BML-G1/P29CNT Container Missile Launcher

Requirements: Complete Mission 33: Escape.
Cost: $250,000.

Once you have concluded Chapter 4, you will then need to complete the first Mission in Chapter 5: Escape which will then make the BML-G1/P29CNT Container Missile Launcher available for purchase in the Parts Shop.

WR-0999 Delivery Boy Cluster Missile Launcher

Requirements: Conclude Chapter 2 on New Game+.
Cost: $298,000.

Complete playthrough 1 then continue through New Game + to the Ocean Crossing Mission which, once completed will conclude Chapter 2 allowing you to purchase the WR-0999 Delivery Boy Cluster Missile Launcher from the Parts Shop.

WS-5001 Soup Scatter Missile Launcher

Requirements: Conclude Chapter 2 on New Game+.
Cost: $326,000.

Ensure you have completed playthrough 1 then continue through New Game + until you conclude Chapter 2 by taking down the Sea Spider boss and being launched across the Ocean.

Doing so will make the WS-5001 Soup Scatter Missile Launcher available for purchase in the Parts Shop.

VE-61 PSA Pulse Scutum

Requirements: Conclude Chapter 3 in New Game +.
Cost: $197,000.

Head all the way through playthrough 1 then, once you’re on New Game +, go through the Missions until you take down the Ice Worm which concludes Chapter 3 making the VE-61 PSA Pulse Scutum available for purchase in the Parts Shop.

VE-60LCA Laser Cannon

Requirements: Conclude Chapter 3 in New Game +.
Cost: $333,000.

Firstly, ensure you go through your first playthrough to its conclusion then proceed through New Game + to the point where you take down the Ice Worm thus concluding Chapter 3 which will then make the VE-60LCA Laser Cannon available for purchase in the Parts Shop.

Kranich/60Z Pulse Cannon

Requirements: Conclude Chapter 3 in New Game +.
Cost: $177,000.

Once you’re in New Game+, proceed through the Missions until you conclude Chapter 3 by defeating the Ice Worm which will make the Kranich/60Z Pulse Cannon available for purchase in the Parts Shop.

B0-044 Huxley Bullet Orbit

Requirements: Conclude Chapter 3 in New Game +.
Cost: $305,000.

Ensure you have completed your first playthrough where you should be aiming for The Fires of Raven Ending then continue through the Missions in New Game + until you defeat the Ice Worm which makes the B0-044 Huxley Bullet Orbit available for purchase in the Parts Shop.

EL-PW-01 Trueno Needle Missile Launcher

Requirements: Defeat Classified Subject 51-101 R in New Game ++.
Cost: $271,000.

Once you have concluded Chapter 2 on New Game ++ (3rd playthrough) you will then be given access to Steel Haze Ortus, a very powerful AC being developed in secret by Allmind, the mercenary training simulation hosts.

Take down Classified Subject 51-101 R to be able to purchase the EL-PW-01 Trueno Needle Missile Launcher from the Parts Shop.

IB-C03W4: NGI 028 Coral Shield

Requirements: Loot the Parts Container in the Chapter 5 Mission: Regain Control of the Xylem on New Game ++.
Cost: Free.

Proceed through the Xylem to the second area where you need to defeat the Ghosts to make the Parasite Modules viewable as targets. Take out all 5 parasite modules where you will then need to go through and disable the Xylem controls.

Before doing so go forwards from the wall where you came through and fly up to the platform where you can loot the parts container which holds the IB-C03W4: NGI 028 Coral Shield.

IB-C03W3: NGI 006 Coral Missile Launcher

Requirements: Loot the Parts Container in the Chapter 5 Mission: Regain Control of the Xylem on New Game ++.
Cost: $380,000.

You will be able to access the Regain Control of the Xylem Mission on New Game ++ as long as you are going after the Alea lacta Est Ending. Once the Mission has loaded up, drop down immediately to your left and clear the enemies in the local area.

Go to the end of the area and look to the right to find the parts container in a small alcove, loot it to make the IB-C03W3: NGI 006 Coral Missile Launcher available for purchase in the Parts Shop.

That’s where you can find all 45 L-Back Unit Parts, which one(s) are you primarily using?

That’s the Armored Core VI: Fires Of Rubicon L-Back Unit Parts guide complete, I hope it helped you acquire every Left Back Unit part in the game.
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