Marathon’s PvE Vault Breaker makes players leave all loot behind starting July 21

Marathon is adding a PvE extraction-style mode, Vault Breaker, but it deletes one of the genre’s biggest motivators: you leave your loot behind. In Vault Breaker, players venture into Cryo Archive, solo, in duos or trios, to tackle increasingly challenging vaults, with progression that carries across matches. The catch is blunt. Any gear or items you find in the mode are left behind when you leave. The only thing you keep is “Vault Data,” a new currency used to upgrade your Vault Breaker Sponsored Kit or purchase gear usable in other modes.

That design choice is not just a gameplay tweak. It is the core answer to the question extraction shooters always ask: can you trust the risk enough to make it worth the grind? Bungie says eliminating gear extraction lets players “experience Cryo Archive without flooding the economy with low-risk, high-power Cryo loot.” In other words, Vault Breaker is positioned as a low-stress way to experience the map and its raids without turning the economy into a vending machine for power items.

So what exactly is Vault Breaker? It is a full-on PvE Vault Breaker mode set on Marathon’s raid map, Cryo Archive. Players enter to take on a series of increasingly challenging vaults, progressing toward a final vault and “the mysterious entity within.” You will do it with your own crew or alone, since Bungie supports solo, duo, or trio runs. There is also a unique progression mechanic spanning multiple matches, which is important because it keeps long-term engagement intact even though the mode rejects traditional “keep what you loot” momentum.

To access the mode, you need a special “Sponsored Kit,” one of Marathon’s free loadouts. That is a second incentive lever aimed at balance. Sponsored Kit access limits what players can bring in and helps prevent the mode from becoming a pay-to-win pipeline. Since the progression loop is tied to Vault Data and kit upgrades, Bungie can shape difficulty and rewards without the usual extraction shooter problem where any run can accidentally become a farm for high-value drops.

This matters for anyone thinking about user retention and live-service economics, not just players. In most extraction shooter models, the gear treadmill encourages repeat runs because the payoff travels with you. In Vault Breaker, the payoff travels differently. Instead of carrying loot forward, you accumulate Vault Data, which then changes your Sponsored Kit power, and you can buy gear for other modes. That creates a controlled “transfer” point from PvE practice into broader account power. It also reduces incentives to chase low-risk, high-reward efficiencies inside Cryo Archive itself, which is exactly what Bungie is trying to avoid with the “flooding the economy” framing.

The PC Gamer team reaction captures the tradeoff. Notorious Destiny freak Tim Clark called it “a huge mistake,” declaring that “not keeping the stuff you find is anathema to me.” FPS guy Morgan Park saw it differently, saying it “sounds like a fun way to learn the map” without getting outgunned by people who already know Cryo Archive. Lincoln Carpenter’s take was basically neutral: it “seems fine.” Translation for executives: this split is real. Some players want the classic extraction dopamine loop. Others want a rehearsal space where the learning curve does not get punished by PvP expertise.

And if you are worried about what this does to the competitive ecosystem, Bungie is offering a clear operational boundary. Vault Breaker is PvE, it is solo or co-op up to trios, and it is time-shifted into the mid-season rollout. Vault Breaker will be rolled out as part of Marathon’s mid-season, which gets underway on July 21. Mid-season also brings the first iteration of the Cradle Evolution system, where players who have maxed out Cradle upgrades can reset to zero in exchange for an additional maximum energy point and unique cosmetics, plus “various other quality-of-life, tuning, and other changes, including the addition of player profile stats.” The theme is consistent: reset mechanics and progression currencies that let Bungie steer power curves without relying on uncontrolled loot carryover.