If you’ve spent time running high-difficulty Void Missions or exploring the new Ice Wasteland open world added in The First Descendant’s 2026 winter patch, you’ve definitely stumbled across those glowing, locked encrypted vaults that seem impossible to open at first glance. I’ve lost count of how many times I walked past one early on because I had no clue how to access it, or wasted hard-earned fragments on low-tier crates that gave me nothing but common crafting materials. After 40+ hours testing every vault type across all mission difficulty levels, I’ve put together this clear walkthrough for how to decrypt any encrypted vault the first descendant players encounter, no matter what playstyle or character you use.
How to Decrypt Any Encrypted Vault in The First Descendant: Core Pre-Requisites
Before you can start opening vaults, you don’t need any special character skills or paid in-game items, but you do need to collect a few key resources first. The most important item you’ll need is vault decryption fragments, which drop from elite enemies, hidden world chests, and weekly challenge rewards across all game modes. The number of fragments you need varies based on the vault’s tier: 3 for common vaults, 5 for rare, and 7 for legendary tier vaults that hold the best loot.
Make sure you don’t use fragments on low-tier vaults unless you’re farming early-game gear if you’re below level 30. Once you hit max level, common and rare vaults only drop obsolete gear, so it’s always better to save your fragments for legendary vaults, which can drop +15 weapon rolls, exclusive character skins, and rare crafting materials that can’t be found anywhere else in the 2026 patch. If you’re playing co-op, all players in the group get the full vault reward when someone decrypts it, so it’s even more efficient to save fragments for group runs where everyone benefits.
Step-by-Step Decryption Process for All Vault Types
The decryption minigame got a full rework in the 2026 update, so old guides that tell you to match symbols are completely outdated now. The new process is simple once you get the hang of it, but it’s easy to make mistakes if you rush. The biggest mistake players make is rushing the alignment step – if you move your cursor too fast, you’ll trigger a 10-second lockout that can get you killed if enemies are spawning nearby, and you could even lose a fragment if you fail twice in a row.
Follow these simple steps to decrypt any vault on your first try:
If you want to check the exact drop rates for each vault tier and the full list of exclusive 2026 rewards, you can find them in the official 2026 The First Descendant patch breakdown. It also includes details on the limited-time vault cosmetics that are only available through the end of 2026, so it’s worth checking if you’re a completionist.
Tips to Find More Encrypted Vaults in 2026 Missions
One of the most common questions I get from new players is where to actually find encrypted vaults, since they don’t spawn everywhere in the game. Vaults only spawn in missions with a 3-star difficulty rating or higher, so don’t waste time looking for them in easy story missions or low-tier daily challenges. The highest spawn rates are in Void Rift missions and the northern section of the new Ice Wasteland open world area, where I usually find 2-3 vaults per 20-minute run.
If you want to cut down your search time even more, equip the Loot Scouter mod on your in-game scanner. This mod lets you see vault locations through walls from up to 100 meters away, so you don’t have to wander around every corner of the map looking for them. Co-op missions also have 2x more vault spawns than solo runs, so team up with friends if you’re trying to farm legendary vaults quickly. I’ve also found that completing a mission’s optional bonus objective (like rescuing all hostages or destroying all enemy supply caches) gives you a 40% higher chance of a legendary vault spawning near the extraction point, so it’s always worth doing the bonus objectives if you have time.
Common Decryption Mistakes to Avoid in 2026
Even if you follow the step-by-step process, there are a few common mistakes that can cost you fragments or rare loot, and I’ve made almost all of them myself. Never start decrypting a vault if you have enemies chasing you, because taking damage will cancel the minigame, and you’ll lose one fragment if you get downed mid-decryption. I learned this the hard way when a random elite boss spawned behind me while I was opening a legendary vault, and I lost all 7 fragments I had saved up when I got downed.
Another big mistake is hoarding fragments for too long. All vault decryption fragments reset every weekly reset on Sunday at midnight UTC, so if you don’t use them before then, you’ll lose all the ones you collected that week. I’ve made that exact mistake before, hoarded 12 fragments one week only to forget to use them before reset, and I was kicking myself for days. A lot of new players also think you need a specific character like Viessa or Ajax to open vaults, but that’s not true at all – any character can decrypt vaults, no special skills are required. If you’re playing with random teammates, always ask before using fragments to open a vault, because some players might be saving their fragments for legendary vaults, and it’s rude to waste shared group resources on low-tier loot.
At the end of the day, learning how to decrypt any encrypted vault the first descendant has to offer is one of the best ways to get rare gear and speed up your character progression in 2026. You don’t need any fancy tricks or paid items, just a few fragments, a little patience with the minigame, and a good eye for where vaults spawn. Try out the tips we shared next time you’re running a high-difficulty mission, and you’ll be swimming in legendary weapons and exclusive skins before you know it. If you have any other vault tips we missed, drop them in the comments below!