Quick Answer: Bring your weapon to refinement level 7, enable a Refinement Guard, and attempt refinement for a Great Success that takes it straight to level 10. If you reach level 8 instead, disable the guard and refine without it until you’re back at level 7, then repeat the guarded attempt. Farm bosses for guards, and optionally use Tomioka Clan for its 30% refinement cost discount. This is luck-dependent, not a guaranteed upgrade within a fixed number of attempts.
The trick to Slayers 2 weapon refinement is saving your Refinement Guards for level 7, rather than spending them while trying to climb every remaining level individually. You’re aiming for a Great Success that jumps the weapon straight to level 10. I’d prepare a supply of guards first, then use this loop with the optional Tomioka Clan discount to keep the cost down.
Quick Reference
| Refinement Location | Refinement NPC at Hidden Mist Shrine |
| Target Starting Level | Weapon refinement level 7 |
| Required Consumable | Refinement Guard for attempts at level 7 |
| Optional Discount | Tomioka Clan’s Serenity Discount reduces eligible Wen costs by 30% |
| Free Guard Source | Boss farming; no exact drop percentage provided |
| Black Market | Spawns every 2 hours; 240 Robux for 1 guard or 960 Robux for 5 |
| Refinement Transfer | Available through the Transfer tab; the example transfer had a 15% success rate |
Use Tomioka Clan for cheaper refinement
Before spending heavily on upgrades, check whether you have Tomioka Clan. Its Serenity Discount passive reduces eligible Wen costs by 30%, including refinement, shop purchases, and crafting. That makes repeated refinement attempts cheaper, which matters when you’re waiting for a lucky result.
This clan is optional. You can use the same refinement method without it; you’ll simply miss out on the discount. I’d treat it as a money-saving bonus, not a requirement that has to stop your progress.
Warning: Serenity Discount does not apply to the Nightfall and First Light sets. Don’t budget for those purchases assuming the 30% reduction will carry over.
Farm Refinement Guards before you start
Refinement Guards are the consumables you’ll save for the important attempts at level 7. Boss farming is the practical free route: keep defeating bosses and build a supply over time. Guards can also come through regular activities, but no exact drop percentage or best individual boss is established here.
The drop is described as extremely rare, but it isn’t unobtainable. I’d stick with boss farming rather than plan around getting a guard after a specific number of kills. A stockpile gives you room to repeat the method when the first guarded attempt doesn’t produce Great Success.
| Source | Cost or availability | Practical advice |
|---|---|---|
| Boss farming | Rare drop; exact rate unspecified | Best option if you don’t want to spend Robux |
| Black Market single guard | 240 Robux for 1 Refinement Guard | Paid fallback |
| Black Market guard bundle | 960 Robux for 5 Refinement Guards | Lower per-guard cost, but still a paid purchase |
The Black Market spawns every 2 hours. Buying guards doesn’t remove the luck involved in refinement, so I’d farm them unless you’re comfortable paying for more attempts rather than a guaranteed result.
Reach level 7 at Hidden Mist Shrine
Teleport to Hidden Mist Shrine and speak to the refinement NPC. Select the weapon you want to improve, then refine it to level 7 without enabling the Refinement Guard option.
The distinction matters: level 7 means the weapon’s refinement level, not your character level or weapon version. This is the starting point for the shortcut, so check the selected weapon and its current refinement before spending a guard.
Pro tip: Save your Refinement Guards for attempts that begin at level 7. The method is built around that starting level, not around leaving the guard toggle enabled throughout the entire climb.
Repeat the level 7 Great Success loop
With your weapon at level 7, enable Refinement Guard and make a refinement attempt. The result you’re chasing is Great Success, which can take the weapon directly to level 10 instead of making you work through each remaining level separately.
If the weapon reaches level 8 instead, turn the guard option off. Continue refining without guards until the weapon is back at level 7, then enable the guard for another attempt. This reset is the easy part to miss: you’re returning to the setup for the big jump, not continuing to spend guards above it.
- Confirm the weapon is at level 7.
- Toggle Refinement Guard on.
- Attempt refinement and check the result.
- If you get Great Success and reach level 10, stop.
- If you reach level 8 instead, toggle the guard off and work back to level 7 before retrying.
Warning: This is a luck-based loop. A successful example used 3 Refinement Guards, but that isn’t a fixed cost or a promise that your weapon will reach level 10 within 3 attempts. I’d check the toggle after every result rather than click through automatically.
Consider V2 upgrades and refinement transfers
You don’t necessarily have to wait for a V3 weapon before investing in refinement. A V2 weapon can reach level 10, and the refinement interface includes a Transfer tab that lets you attempt to move refinement to another item later.
Open Transfer and select the intended receiving item to inspect the proposed transfer. The example transfer showed only a 15% success rate, so this isn’t a guaranteed way to preserve your investment when changing weapons. Check the displayed chance for your own selection before committing.
I’d upgrade a V2 weapon if it’s what you’re actively using, but I wouldn’t justify the cost by assuming a later transfer will succeed. The upgraded V2 example dealt about 54 M1 damage, with 68 shown during the combo; those are example results, not universal damage values for every weapon or build.
Warning: The consequences of a failed transfer aren’t established here. Don’t assume failure is harmless just because the Transfer tab is available.
What to Do Next
Once your weapon reaches level 10, stop the refinement loop and put it back to work in boss farming. Keep any remaining Refinement Guards for another item rather than spending them without a specific upgrade goal.
For continued progression, repeat the same preparation cycle: farm bosses for guards, save Wen for refinement or crafting, and return to Hidden Mist Shrine when you’re ready to improve your next weapon. If you’re planning a V3, First Light, or Nightfall upgrade, keep that future purchase in your budget instead of spending everything chasing one refinement result.
I’d also compare the displayed transfer chance with the option of refining the new weapon separately before deciding where to spend your resources. The useful habit is simple: save guards for level 7, inspect every result, and treat both Great Success and refinement transfers as chances—not guarantees.