Hello folks, I'm making this thread to show you a way on HOW TO OVERENCHANT YOUR SKILLS!
1st of all, I'd like to tell ya that this is a 100% Legal way to enchant your skills and even people on Official do it, but it has some requierments.
1) Having a server where fortress sieges work;
2) Having a clan more than Lv4.
So listen up, you have to go to Fortress' Door.
There'll be a NPC named Suspicious Merchant.
By this NPC you can buy a variety of items and also Register to attack the Fortress.
So, you have to register to attack the fortress, after an hour Fortress siege starts and you have to get there and kill the guards in order to conquer the Fortress.
Here's the sticky part, Guards drop Knight's Epaulette which Suspicious merchant takes and gives you Giant's Codex - Mastery.
Fortress siege lasts for an hour, into this hour kill the more guards possible so you'll have a LOT of Knight's Epaulette.
Here's a screenshot of killing a Guard and getting Knight's Epaulette!
Once the Fortress siege is over, you've to go and talk to Suspicious Merchant and check what he sells.
There, you'll see a variety of items which are also including Giant's Codexes.
You have to buy Giant's Codex - Mastery.
Trade your Knight's Epaulettes for these Giant's Codexes and go to enchant your skills.
Use the Safe Enchantement option.
Safe enchantement option enchants your skills like normal Giant's Codexes BUT if skill's enchantement fails, the skill will remain on the same enchant. (Let's say you have +10 Stun shot, you enchant it and enchant fails, Stun shot will remain +10)
For each Safe Enchant you make, you need one of these Giant's Codexes, so you better to get loads of them.
Also some screenshots on enchanting proccess.
So that's all, all you need is these Giant's Codexes - Mastery and enchanting your skills.
If you need any further help feel free to post it here.
P.s.: This is 100% Legal and not against the rules of Lineage II (official server)
P.s.2: This works on every server which contains the requierments wrotten above, no matter if server is L2J or L2OFF.
Credits
Kamy (Clan mate of mine who told me how to do this, on http://l2-ah.ro)
&
Exte (For writing it down and sharing it to MxC.com)