Sapphires are gems used for enchanting weapons. Sapphires can be obtained through random drops from monsters. The stronger the monster will generally determine the strength of the Sapphires.
Accuracy gems increase a players accuracy. The gems range from 1 to 10, with High Quality going to 15. Accuracy gems are not often used. Occasionally they will be used to combat people with Dodge builds, or for new characters with low accuracy (e.g. bladesman)
Health gems increase the player's maximum health. Health gems go from 5 to 50 increasing in intervals of 5. Health gems are usually used as a cheap alternative to defense gems. It is rare to see a weapon with Health increasing gems.
Chi gems increase the player's maximum chi. Chi gems go from 5 to 50 increasing in intervals of 5. Chi gems are mainly used by healers as they use up large amounts of Chi. It is rare to see a weapon with Chi Increasing gems.
Attack damage gems increase the damage that is dealt from all attacks(both normal attacks and skill attacks). These gems range from 1 to 15 with High Quality going to 20. Attack damage gems are very popular and as such can sell for very high prices.
Extra damage gems increas the damage that is dealt from regular attacks (not skill attacks). These gems range from 1-20 with High Quality going to 25. These gems are popular for lower level players as they do not use many skill attacks. Since high level player have more money they will usually purchase attack damage gems, this means that demand for Extra Damage is lower. Extra damage gems sell for a moderate price.
Skill attack power % increaseEdit
These gems increase skill attacks by a certain percentage. The percent ranges from 1% to 25% with High Quality going to 30%. These gems are often used by high level player that rely on skill attacks to defeat high level mobs. As such these gems often sell for high amounts.
All abilities increaseEdit
These gems increase all of the characters abilities by either 1 or 2. As they do not directly increase the attack of a weapon these gems are usually used by healers. All ability 1 increase gems are common and do not sell for much. All ability 2 increase are much rarer and more sought after, these gems sell for moderate amounts.