NPC: Filandrius

If you use the gem, you get a bonus in strength, endurance, agility, wisdom, intelligence, Attack, Dodge and Archery skills for 10 minutes.

The bonus is based on your level.

If you are level 100, then you win the following bonuses:
+ 20 strength
+ 20 endurance
+ 20 agility
+ 20 wisdom
+ 20 intelligence
+ 100 Attack skill
+ 100 Dodge skill
+ 100 Archery skill

This item has no charge, you can use it unlimitedly.