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ARC Raiders Loot Experiment Reveals: Are Stella Montis Keys Worth It? Blueprint Drops May Surprise You

There's been a lot of discussion in the community lately about ARC Raiders, such as whether the quality of Key is directly related to the value of the loot in the room, and whether it's better to raid Stella Montis's locked room during the day or at night. This guide will answer these questions.

Mar 14, 2026 Author: EZG

Even though it's already March, we still haven't heard official news about ARC Raiders Flashpoint theme update. While we wait, there's plenty to dig into just by exploring community insights and testing in-game mechanics.

Here's a deep dive into what players should know right now: loot experiments, blueprint drop mechanics, and why the developers almost cut PvP entirely.ARC Raiders Loot Experiment Reveals: Are Stella Montis Keys Worth It? Blueprint Drops May Surprise You

Which Keys Really Worth It?

One of the most interesting player experiments circulating in ARC Raiders community revolves around two specific keys found in Stella Montis region: Stella Montis Archives Key (Epic rarity) and Stella Montis Medical Storage Key (Uncommon rarity).

At first glance, Stella Montis Archives Key seems more valuable. After all, higher rarity should bring better rewards, right? However, testing shows that the relationship between rarity and rewards may not be as simple and direct as players imagine.

For example, in a daytime raid using Stella Montis Archives Key, we obtained 40,000 coins in loot, but the blueprints we acquired were meager, perhaps even a common one.

In contrast, using Stella Montis Medical Storage Key, while the total value of the dropped items was significantly lower, yielded multiple blueprints. This raises the question: is the key design in ARC Raiders based on economic value or blueprint acquisition?

If Epic Key drops higher-value items but fewer blueprints, while the regular key does the opposite, it might be intentional on the part of the developers. In other words, if you're focused on blueprint acquisition, the regular key might be more suitable.

Another factor that has been discussed is whether day/night raids affect the blueprint drop rate. Based on current observations, Security Lockers do appear more frequently in rooms during the day, but overall there isn't a significant difference. In five night raids, we obtained a total of eight blueprints, while in the same number of day raids, we obtained six–very similar results.

So, you're probably wondering, are these two rooms worth looting? The answer is yes; they offer some upgrades and other high-value items. However, overall, their value isn't as high as Buried City Town Hall Key and Dam Control Tower Key.ARC Raiders Buried City Town Hall Key

PvP Nearly Didn't Happen

It may surprise some, but ARC Raiders was almost a pure PvE game. Early development focused on cooperative events like Shared Watch Event and weekly Trials, with no plans for PvP.

According to a recent interview, the developers revealed that they almost completely abandoned PvP mode during development. In other words, the game was initially designed as a pure PvE game, with players cooperating against ARC Enemies at its core. However, to increase the game's tension and unpredictability, the designers added some PvP elements.

Furthermore, early testing showed strong player opposition to PvP mode, leading the team to question whether abandoning the initial PvE concept was a mistake. They even seriously considered redesigning the game to be primarily PvE.

But as you've seen, like many famous success stories, ARC Raiders' PvP mode has become the most popular part of the game. After carefully analyzing the game's test data, the developers found that PvP itself wasn't the problem.

The issues mainly focused on weapon balance and the matchmaking system between solo players and squads. Early versions of the game clearly had serious weapon imbalances, leading to unfair or frustrating PvP experiences. Furthermore, solo players sometimes encountered strong teams, resulting in situations where they couldn't win in 1v1 situations, making the game too difficult and naturally leading to giving up.Buy ARC Raiders Blueprints at EZG.com - Safe, Fast, No Scavenging Required

After realizing these problems, the developers understood that the core concept of PvP wasn't the issue, but rather that the related systems needed improvement. This discovery strengthened the team's resolve to continue with PvPvE design, rather than abandoning it.

Thus, we have the game we have now. As the saying goes: true heroism is seeing life clearly and still loving it. Here, we can paraphrase: a truly good game is one that sees the flaws and then fixes them.

Despite the ongoing debate about PvP, the official stance clearly indicates that ARC Enemies remain the most dangerous force in the game, especially given the introduction of new ARC Roberts in the last two months' updates.

These mechanical enemies will continue to dominate Rust Belt. They are often the most chaotic and memorable culprits in raids. Some players even believe the most exciting moments in the game aren't against other players, but rather when forced to cooperate against massive ARC attacks.

So what does all this mean for players? While we wait for Flashpoint, there's still plenty to explore and test in ARC Raiders. Community experiments with keys, loot mechanics, and PvPvE strategies provide plenty of content to dig into while keeping the game fresh.

As for Flashpoint itself, leaks suggest a likely release between March 24th and 31st, so patience is key. Raiders, gear up and get ready - the next big update is just around the corner.

    ARC Raiders

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