With Our Powers Combined

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With Our Powers Combined is a Minutemen main quest in Fallout 4. It occurs after the ending if the player finishes The Nuclear Option and Old Guns and has (or gains) hostile status with the Brotherhood of Steel.

Although this is a Minutemen quest, it can be received even if the player finished the main quest by siding with the Brotherhood of Steel.

This quest will trigger if the player has completed either Tactical Thinking for the Brotherhood of Steel, Underground Undercover for the Railroad, or Mass Fusion for the Institute.

Quick walkthroughEdit

Minutemen main quest: With Our Powers Combined
Build artillery pieces in 5 settlements.
Visit the Minutemen radio operator in the Castle.
Order the strike.
Report to Ronnie Shaw or Preston Garvey.
Reward: 350 XP
Leads to: Defend the Castle

Detailed walkthroughEdit

Build artillery defenses after speaking with Preston. Build an artillery piece and later assign a settler to man it in five different settlements the Sole Survivor owns.

Once that is done, visit the Minutemen radio operator in the Castle and ask him to give the strike order. Prepare for the attack and defeat the enemy.

Watch from the Castle, as the Prydwen is destroyed, and then prepare to fight the Vertibirds that they send. The best strategy is to snipe the Knights within the Vertibirds, and bring as many down as you can, before they drop down and you continue the battle on ground.

Quest stagesEdit

StageStatusDescriptionLog Entry
100 Talk to Preston GarveyIt's time for the Minutemen to remove the Brotherhood of Steel as a threat to the Commonwealth.
200 Build artillery in 5 settlementsIt's time for the Minutemen to remove the Brotherhood of Steel as a threat to the Commonwealth. With enough artillery batteries, we should be able to take down the Prydwen with a surprise attack.
300 Launch artillery strike on The PrydwenIt's time for the Minutemen to remove the Brotherhood of Steel as a threat to the Commonwealth. I've ordered our artillery batteries to fire on the Prydwen. Let's hope it's enough to destroy it.
500 Destruction sequence completeThe Minutemen artillery strike succeeded in destroying the Prydwen. We'll see if the Brotherhood of Steel has anything else to throw at us.
550 Transition to Defend the CastleThe Minutemen artillery strike succeeded in destroying the Prydwen. The Brotherhood of Steel has launched a counter-attack on the Castle. If we can defeat them here, their threat to the Commonwealth will be over.
580 Defend the Castle complete - Talk to Preston GarveyThe Minutemen artillery strike succeeded in destroying the Prydwen. We then, defeated the Brotherhood's desperate counter-attack on the Castle. Their threat to the Commonwealth is over.
800 Speak to Ronnie Shaw or Preston Garvey about Vertibird
1000Quest finishedIcon checkQuest complete


  • Defeating the Brotherhood this way prevents the player from acquiring a great many unique items, such as Final Judgment or Maxson's battlecoat, because none of the named Brotherhood members show up for this last great battle. However, the coat can still be gained by killing Maxson before the artillery strike.
  • Completing this quest will unlock the ability to use captured Brotherhood Vertibirds with flares found in the Castle armory.
  • If one completed Rockets' Red Glare for The Railroad and then does something to be banished from the Institute, this quest will be skipped after completing the Nuclear Option. Preston will be seemingly troubled at the destruction of the Prydwen. He can be reassured that the Brotherhood was a threat.
  • If completing this quest after finishing the main quest line with BOS, a fully functioning and undamaged Liberty Prime may be found walking around the Prydwen wreckage. Engaging in combat with him is a fatal mistake, as he is immune to all weapons at this point.
  • This quest is, without a doubt, one of the most difficult quests in the game, as the player has to fight waves upon waves of Brotherhood soldiers, with a great majority of them being in T-60 power armor and armed with laser weaponry, and a fleet of heavily armored Vertibirds.

Behind the scenesEdit

50 Vault-Tec C.E.O.The following is based on unverified behind the scenes information and has not been confirmed by canon sources.

This quest's name is most likely a reference to the children's TV show Captain Planet and the Planeteers. The show follows five super-powered teenagers who can combine their powers to summon the titular hero, Captain Planet. When combining their powers, the Planeteers will say any number of phrases similar to the quest name, including "by our powers combined" and "let our powers combine."

50 Vault-Tec C.E.O.End of information based on unverified behind the scenes information.


  • pcIcon pc ps4Icon ps4 The quest may halt at 90.0%, with the last Vertibird never arriving and the residents of the Castle resuming their ordinary behavior. This can be resolved by finding the last Vertibird around the Boston Airport and destroying it, triggering 100% completion. [verified]
  • xboxoneIcon xboxone The quest may stall at 90%, with the last Vertibird hanging in midair without crashing. Fixed by reloading a previous save. [verified]
  • pcIcon pc xboxoneIcon xboxone The quest may also stall when you need to speak with Ronnie Shaw. Every time you try and speak with her she will ask if you want to trade.[verified]

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