Practice leads to Mastery

Through repetitive focus, you now pay better attention on how you use the weapon. When you deal critical damage, gain 2 W.EXP with that weapon or deal the last blow (kill) with the weapon, that weapon gain 1 W.EXP for a kill. (Example: Critical and last blow count as 3 W.EXP total, Critical and kill 2 at the same time count as 4 W.EXP total) When weapon gain enough EXP, you deal increase damage with that weapon type permanently.

Your W.EXP are shared among the same weapon name or its superior version (Example: Adamantine, silvered, +1/+2/+3 Spear, Spear of certain death are all shared the same W.EXP, However, Shortbow and Longbow Do not)

Weapon Mastery

At Level 5 Weapon Mastery of this weapon. When you deal Critical damage, instead of 1d4+5, it deals +15 damage to that hit.

Apply accumulates W.EXP when out of combat. (You do not move up Weapon Mastery Level during combat)
Edit your Weapon for its level and W.EXP
### Try to mark when you get Critical, Kill or you could make mistake or forgot some W.EXP ###