Rubies in armor or helms provide useful hit point bonuses, and are commonly socketed in merc equipment.
| Quality | Weapon | Helm or Armor | Shield | Clvl Req | |
|---|---|---|---|---|---|
| Chipped | 
|
+3-4 Fire Damage | +10 to Maximum Life | +12% fire resistance | 1 |
| Flawed | 
|
+5-8 to Fire Damage | +17 to Maximum Life | +16% to Fire Resistance | 5 |
| Normal | 
|
+8-12 to Fire Damage | +24 to Maximum Life | +22% fire resistance | 12 |
| Flawless | 
|
+10-16 to Fire Damage | +31 to Maximum Life | +28% fire resistance | 15 |
| Perfect | 
|
+15-20 Fire Damage | +38 to Maximum Life | +40% fire resistance | 18 |