Gem
Gem are used for weapon and equipment upgrade in Tree of Savior. Players can insert gems into equipment that has a gem slot. For equipment that does not come with a slot, player can visit the Ironsmith NPC to make slots in them. This will however decrease one potential point on the equipment.
There are four types of gems, circle, square, diamond and star types. Inserting gems into your equipment have advantages and disadvantages. Each gem adds one stat and decreases another. Gems also have experience points and levels.
During character death, if there is a gem in the inventory, it has a probability of getting destroyed.
Circle Gem

| Circle Gem |
| Level |
Main Weapon |
Body/Pants |
Accessories |
Footgear |
Sub-Weapon |
| 1 |
ADD_MAXATK/4/ADD_MINATK/-1 |
MHP/23/DR/-1 |
CRTATK/5/HR/-3 |
RHP/2/MDEF/-1 |
PATK/5/DEF/-1 |
| 2 |
ADD_MAXATK/6/ADD_MINATK/-2 |
MHP/60/DR/-3 |
CRTATK/8/HR/-4 |
RHP/4/MDEF/-2 |
PATK/7/DEF/-2 |
| 3 |
ADD_MAXATK/9/ADD_MINATK/-3 |
MHP/113/DR/-6 |
CRTATK/11/HR/-6 |
RHP/8/MDEF/-4 |
PATK/11/DEF/-4 |
| 4 |
ADD_MAXATK/13/ADD_MINATK/-4 |
MHP/180/DR/-10 |
CRTATK/16/HR/-8 |
RHP/14/MDEF/-7 |
PATK/16/DEF/-5 |
| 5 |
ADD_MAXATK/18/ADD_MINATK/-6 |
MHP/263/DR/-15 |
CRTATK/23/HR/-12 |
RHP/22/MDEF/-11 |
PATK/22/DEF/-7 |
| 6 |
ADD_MAXATK/24/ADD_MINATK/-8 |
MHP/360/DR/-21 |
CRTATK/30/HR/-15 |
RHP/32/MDEF/-16 |
PATK/29/DEF/-10 |
| 7 |
ADD_MAXATK/31/ADD_MINATK/-10 |
MHP/473/DR/-28 |
CRTATK/39/HR/-20 |
RHP/44/MDEF/-22 |
PATK/37/DEF/-12 |
| 8 |
ADD_MAXATK/39/ADD_MINATK/-13 |
MHP/600/DR/-36 |
CRTATK/49/HR/-25 |
RHP/58/MDEF/-29 |
PATK/47/DEF/-16 |
| 9 |
ADD_MAXATK/48/ADD_MINATK/-16 |
MHP/743/DR/-45 |
CRTATK/60/HR/-30 |
RHP/74/MDEF/-37 |
PATK/58/DEF/-19 |
| 10 |
ADD_MAXATK/58/ADD_MINATK/-19 |
MHP/900/DR/-55 |
CRTATK/73/HR/-37 |
RHP/92/MDEF/-46 |
PATK/70/DEF/-23 |
Square Gem

| Square Gem |
| Level |
Main Weapon |
Body/Pants |
Accessories |
Footgear |
Sub-Weapon |
| 1 |
MATK/5/MSP/-15 |
MSP/30/CRTDR/-5 |
RSP/2/DR/-1 |
MDEF/1/RHP/-1 |
BLK/1/MHP/-4 |
| 2 |
MATK/7/MSP/-24 |
MSP/48/CRTDR/-8 |
RSP/4/DR/-2 |
MDEF/2/RHP/-3 |
BLK/4/MHP/-16 |
| 3 |
MATK/10/MSP/-36 |
MSP/72/CRTDR/-12 |
RSP/8/DR/-4 |
MDEF/3/RHP/-5 |
BLK/10/MHP/-40 |
| 4 |
MATK/14/MSP/-51 |
MSP/102/CRTDR/-17 |
RSP/14/DR/-7 |
MDEF/4/RHP/-7 |
BLK/19/MHP/-76 |
| 5 |
MATK/19/MSP/-69 |
MSP/138/CRTDR/-23 |
RSP/22/DR/-11 |
MDEF/5/RHP/-9 |
BLK/30/MHP/-120 |
| 6 |
MATK/25/MSP/-90 |
MSP/180/CRTDR/-30 |
RSP/32/DR/-16 |
MDEF/6/RHP/-11 |
BLK/44/MHP/-176 |
| 7 |
MATK/32/MSP/-114 |
MSP/228/CRTDR/-38 |
RSP/44/DR/-22 |
MDEF/7/RHP/-13 |
BLK/60/MHP/-240 |
| 8 |
MATK/40/MSP/-141 |
MSP/282/CRTDR/-47 |
RSP/58/DR/-29 |
MDEF/8/RHP/-15 |
BLK/79/MHP/-316 |
| 9 |
MATK/49/MSP/-171 |
MSP/342/CRTDR/-57 |
RSP/74/DR/-37 |
MDEF/9/RHP/-17 |
BLK/100/MHP/-400 |
| 10 |
MATK/59/MSP/-204 |
MSP/408/CRTDR/-68 |
RSP/92/DR/-46 |
MDEF/10/RHP/-19 |
BLK/124/MHP/-496 |
Star Gem

| Star Gem |
| Level |
Main Weapon |
Body/Pants |
Accessories |
Footgear |
Sub-Weapon |
| 1 |
CRTATK/6/HR/-3 |
DEF/1/MHP/-17 |
BLK_BREAK/1/ADD_MAXATK/-1 |
MHP/15/MATK/-2 |
CRTATK/7/BLK_BREAK/-4 |
| 2 |
CRTATK/9/HR/-5 |
DEF/2/MHP/-26 |
BLK_BREAK/4/ADD_MAXATK/-2 |
MHP/40/MATK/-4 |
CRTATK/9/BLK_BREAK/-5 |
| 3 |
CRTATK/14/HR/-7 |
DEF/3/MHP/-40 |
BLK_BREAK/10/ADD_MAXATK/-4 |
MHP/75/MATK/-8 |
CRTATK/15/BLK_BREAK/-8 |
| 4 |
CRTATK/20/HR/-10 |
DEF/4/MHP/-56 |
BLK_BREAK/19/ADD_MAXATK/-7 |
MHP/120/MATK/-13 |
CRTATK/21/BLK_BREAK/-11 |
| 5 |
CRTATK/27/HR/-14 |
DEF/5/MHP/-76 |
BLK_BREAK/30/ADD_MAXATK/-10 |
MHP/175/MATK/-19 |
CRTATK/29/BLK_BREAK/-15 |
| 6 |
CRTATK/36/HR/-18 |
DEF/6/MHP/-99 |
BLK_BREAK/44/ADD_MAXATK/-15 |
MHP/240/MATK/-27 |
CRTATK/39/BLK_BREAK/-20 |
| 7 |
CRTATK/47/HR/-24 |
DEF/7/MHP/-125 |
BLK_BREAK/60/ADD_MAXATK/-20 |
MHP/315/MATK/-35 |
CRTATK/49/BLK_BREAK/-25 |
| 8 |
CRTATK/59/HR/-30 |
DEF/8/MHP/-155 |
BLK_BREAK/79/ADD_MAXATK/-27 |
MHP/400/MATK/-44 |
CRTATK/63/BLK_BREAK/-32 |
| 9 |
CRTATK/72/HR/-36 |
DEF/9/MHP/-188 |
BLK_BREAK/100/ADD_MAXATK/-34 |
MHP/495/MATK/-55 |
CRTATK/77/BLK_BREAK/-39 |
| 10 |
CRTATK/87/HR/-44 |
DEF/10/MHP/-224 |
BLK_BREAK/124/ADD_MAXATK/-42 |
MHP/600/MATK/-67 |
CRTATK/93/BLK_BREAK/-47 |
Diamond Gem

| Diamond Gem |
| Level |
Main Weapon |
Body/Pants |
Accessories |
Footgear |
Sub-Weapon |
| 1 |
CRTHR/2/CRTATK/-1 |
CRTDR/1/MSP/-6 |
HR/2/ADD_MINATK/-1 |
DR/2/RSP/-8 |
CRTHR/3/ADD_MAXATK/-1 |
| 2 |
CRTHR/4/CRTATK/-2 |
CRTDR/3/MSP/-18 |
HR/4/ADD_MINATK/-2 |
DR/4/RSP/-16 |
CRTHR/5/ADD_MAXATK/-2 |
| 3 |
CRTHR/8/CRTATK/-5 |
CRTDR/5/MSP/-30 |
HR/8/ADD_MINATK/-4 |
DR/6/RSP/-24 |
CRTHR/10/ADD_MAXATK/-3 |
| 4 |
CRTHR/14/CRTATK/-8 |
CRTDR/9/MSP/-54 |
HR/14/ADD_MINATK/-7 |
DR/10/RSP/-40 |
CRTHR/18/ADD_MAXATK/-6 |
| 5 |
CRTHR/22/CRTATK/-13 |
CRTDR/15/MSP/-90 |
HR/22/ADD_MINATK/-11 |
DR/17/RSP/-68 |
CRTHR/29/ADD_MAXATK/-10 |
| 6 |
CRTHR/32/CRTATK/-19 |
CRTDR/21/MSP/-126 |
HR/32/ADD_MINATK/-16 |
DR/24/RSP/-96 |
CRTHR/42/ADD_MAXATK/-14 |
| 7 |
CRTHR/44/CRTATK/-26 |
CRTDR/29/MSP/-174 |
HR/44/ADD_MINATK/-22 |
DR/32/RSP/-128 |
CRTHR/57/ADD_MAXATK/-19 |
| 8 |
CRTHR/58/CRTATK/-35 |
CRTDR/38/MSP/-228 |
HR/58/ADD_MINATK/-29 |
DR/42/RSP/-168 |
CRTHR/75/ADD_MAXATK/-25 |
| 9 |
CRTHR/74/CRTATK/-44 |
CRTDR/49/MSP/-294 |
HR/74/ADD_MINATK/-37 |
DR/54/RSP/-216 |
CRTHR/96/ADD_MAXATK/-32 |
| 10 |
CRTHR/92/CRTATK/-55 |
CRTDR/61/MSP/-366 |
HR/92/ADD_MINATK/-46 |
DR/68/RSP/-272 |
CRTHR/120/ADD_MAXATK/-40 |