Every week your Great Vault dangles up to nine reward slots in front of you, but most players unlock two or three and shrug at whatever drops. The frustrating part is that the Vault isn't random in how it fills — it's a transparent threshold system. Once you understand exactly how Raid, Mythic+, and PvP feed your slots, you can plan a week that hands you the best possible item level instead of leftovers.
How the Great Vault actually fills
The Vault has three independent reward tracks — Raid, Mythic+, and PvP — and each track can unlock up to three slots, for a maximum of nine. Each track works on simple activity counters that tick up as you play:
- Raid: slots unlock based on the number of raid bosses you kill that week, at three escalating boss-count thresholds.
- Mythic+: slots unlock based on the number of M+ dungeons you complete (timed or not), again at three thresholds.
- PvP: slots unlock based on rated games you participate in once you've earned enough Honor that week.
On reset day you pick exactly one reward from everything offered. The key insight: the item level of each slot is set by the difficulty of the content that filled it, not just by how many you cleared. A high key gives a higher-ilvl choice than a low key, even though both count as "one dungeon" toward your slot count.
Reading the thresholds without memorizing patch notes
Blizzard tunes the exact numbers between expansions and seasons, so always confirm current values in-game before committing. The structure, however, is consistent: each track rewards your best efforts within that track. The first slot reflects an easier or lower-end clear, the second a mid-tier one, and the third your highest-difficulty completion.
For Mythic+ specifically, the Vault remembers your highest keys. If you run eight dungeons but only one was a high key, that high key sets your top slot — but you'd have wasted effort if the other seven were trivially low. The efficient approach is to push your floor up: run enough keys to fill all three slots, and make the lowest of those qualifying keys as high as you can reasonably time.
Raid vs M+ vs PvP: which track to prioritize
Mythic+ is the most flexible
M+ is usually the best value for a solo or small-group player. You control the difficulty, dungeons are short, and three slots ask for a modest number of completions you can knock out in a couple of evenings. If you can comfortably time mid-range keys, M+ reliably hands you strong gear plus a chance at trinkets and weapons you can't easily target elsewhere.
Raid gives the highest ceiling
Raid slots scale with boss difficulty, so Mythic raid kills produce the highest item levels in the game. The catch is logistics: you need a group clearing those bosses on schedule. For tier set pieces and best-in-slot ceilings, raid is unmatched — but only if you have reliable kills lined up. This is exactly where a raid carry or full-clear boost earns its keep, locking in those high-difficulty boss kills so your top Vault slot reflects Mythic-tier loot instead of a Heroic compromise.
PvP rewards the dedicated
The PvP track is excellent if you're already playing rated arenas or battlegrounds, since the gear scales with your rating. For PvE-focused players it's usually the weakest slot to chase from scratch because of the time investment, though a few rated games can still round out an otherwise empty Vault.
Building your optimal weekly plan
Here's a clean priority order for a typical PvE player who wants the best Vault with the least wasted time:
- Fill all three M+ slots first. Run the required number of dungeons and push the lowest qualifying key as high as you can time.
- Secure your raid slots by clearing as many bosses as your group can handle at the highest difficulty available to you.
- Top off with PvP only if you enjoy it or your other tracks fell short.
- Never settle for a low key just to "fill" a slot — a higher key costs the same one completion but yields a meaningfully better choice on reset.
The single biggest mistake is unlocking slots with content far below your capability. Three timed mid-keys beat ten untimed low ones every time. If your group falls apart mid-week and you're staring at half-empty raid or M+ tracks, that's the moment a Mythic+ key boost or a quick dungeon carry can salvage the week and keep your gear progression on pace.
When buying a boost actually makes sense
Most weeks, you should fill your Vault yourself — it's the core gameplay loop and it's genuinely satisfying. Buying makes honest sense in specific situations: you're short on time and can't assemble a group for high keys or Mythic bosses; you're stuck at a difficulty wall that's blocking your top slot; or you're gearing an alt fast for a raid night. A reputable M+ or raid carry simply guarantees the high-difficulty completion that turns a mediocre Vault into a great one. And if your bottleneck is consumables, gems, or enchants rather than kills, topping up your WoW gold can be the cheaper fix — including on Classic Hardcore realms like Soulseeker EU where gold funds the safety margin that keeps your character alive. Spend on the carry when the wall is real and your time is worth more than the grind; otherwise, go time those keys.