- From season 15 onwards, you can upgrade weaker items to higher items while keeping all attributes intact (380 series, reinforcement...).
- Items that can be upgraded are: Weapons, Clothes, Shields. For Wings, see instructions here .
- For main materials you need two items of the same type and grade (both weapons/shields/clothes). If the main item is a normal item or a normal socket, the secondary item must be a normal item or a normal socket. If the main item is perfect or a perfect socket, the secondary item must also be a perfect item or a perfect socket.
| Main item |
Accessories |
Result |
|---|---|---|
| Regular | Regular or regular socket | Regular |
| Socket Regular | Regular or Socket Regular | Socket Regular |
| Perfect item | Perfect item or perfect socket | Perfect item |
| Perfect Socket | Perfect item or Perfect Socket item | Perfect socket |
- After leveling up, the secondary item will be lost and the main item will be changed to a higher (Stronger) ranked item.
- To upgrade an item, press the S key and select Upgrade Item. Then, drag and drop the item you want to upgrade into the main item box and the sub-item into the sub-item box (You can also right-click to select quickly). The system will then display the requirements needed to upgrade.
- If the main item is for multiple races, you can also select the desired race of the item. A list of higher-rank items will also be displayed, the result will be a random item from this list.
- Combined regulations table:
| Class |
Main item request |
Request accessories |
Ingredient |
Result |
| 1 to 7 |
+0 |
+ 6 and 4 options |
- Blue stone x2 |
- 100% success - Keep level |
| 8 to 15 |
+15 |
+ 9 and 8 options |
- Red Stone x2 - Creative Gem x2 - Guardian Stone x2 |
- 100% Success - Return to +0 |
| 16 and up |
+15 |
+ 15 and 12 opt |
- Red Stone x4 - Creative Gem x4 - Guardian Stone x4 |
- 100% Success - Return to +0 |
- Rank promotion limit table according to Top1 reset:
| Class |
Reset Minimum Item Upgrade |
Minimum Reset Wing Rank |
| 0 |
0 |
0 |
| 1 |
0 |
0 |
| 2 |
0 |
0 |
| 3 |
0 |
0 |
| 4 |
0 |
0 |
| 5 |
5 |
5 |
| 6 |
10 |
10 |
| 7 |
15 |
15 |
| 8 |
20 |
20 |
| 9 |
25 |
25 |
| 10 |
30 |
30 |
| 11 |
36 |
36 |
| 12 |
44 |
43 |
| 13 |
54 |
52 |
| 14 |
66 |
62 |
| 15 |
81 |
75 |
| 16 |
100 |
90 |
| 17 |
124 |
107 |
| 18 |
154 |
129 |
| 19 |
191 |
155 |
| 20 |
238 |
186 |
| 21 |
296 |
223 |
| 22 |
369 |
267 |
| 23 |
460 |
321 |
| 24 |
573 |
385 |
| 25 |
716 |
462 |
| 26 |
893 |
555 |
| 27 |
1115 |
666 |
| 28 |
1393 |
799 |
| 29 |
1740 |
958 |
Note for S15 MUHN2003 and MUHN2 (VQ+BV) servers: you can only upgrade items that satisfy the following 3 conditions
+ rule 1: no more than 2 perfect lines
+ rule 2: no more than 2 socket holes
+ rule 3: total perfect lines and socket lines do not exceed 3