Can someone tell me what this blue soul crystal is for. It says it consumes souls and if it has enough it will bestow a special power on a weapon, but I have no idea how it works in general. When using it on a monster it does something that looks like a drain life skill, but the monster is unharmed.
If you're under lvl 40, and the crystal just say : "Soul Crystal" as opposed to like "Soul Crystal Stage (1-13), throw it out.
You get them free from a quest giver when you're 40.
But you use these crystals on weapons of C grade and above to get a Special Ability. Crystal must be of the right charge for the weapon. There are 13 Charges/stages for these crystals. The higher the stage, the more expencive the crystal is.
Go to lineate2.stratics.com and check the Special Ability section for details.