When you reach a certain level and have obtained gears that allow gems to be equipped, these gems give you stat boosts.
All attribute stats: Str, Dex, Int, Agi , Luk, Sta
Gem synthesis: Obtain 3x same attribute gems (e.g 3x Level 1 Str gems can be fused to 1x Level 2 Str gem)
Attribute bonuses per level of gems as follows:
| Level of Gem | Attribute Bonus | Zeny required to fuse to respective levels | L1 gems needed to get appropriate gem |
|---|---|---|---|
| 1 | +3 | - | 1 |
| 2 | +10 | 10000 | 3 |
| 3 | +30 | 40000 | 9 |
| 4 | +80 | 140000 | 27 |
| 5 | +170 | 420000 | 81 |
| 6 | +310 | 1050000 | 243 |
| 7 | +500 | 2100000 | 729 |
| 8 | +750 | 4200000 | 2187 |
| 9 | +1100 | 16800000 | 6561 |
| 10 | +1600 | 67200000 | 19683 |
Slot number for equips is as follows (Not confirmed):
| Slot | Item level (ilevel) | Rarity |
|---|---|---|
| 1 | Lv 74 | Purple |
| 2 | Lv 124 | Purple |
3rd slot is only available on Red rarity equips AKA legendary slot, only for legendary gems (upcoming).