When you are talking about Weapon Proficiency, Each weapon has its own proficiency in a certain level that you can simply go up by playing our TDS.
And please be reminded that it does not work when you are in offline mode.
At a certain level of proficiency in a weapon, each one has a rune socket that could be unlocked and improve skills with buff.
These buffs are passive and used at all times while in a dungeon, stage, and so on. To get all the runes, you need to maximize the proficiency level up to 30.
* Weapon proficiency will be increased based on the number of monsters you kill in stage, dungeon, etc
And please be reminded that it does not work when you are in offline mode.
At a certain level of proficiency in a weapon, each one has a rune socket that could be unlocked and improve skills with buff.
These buffs are passive and used at all times while in a dungeon, stage, and so on. To get all the runes, you need to maximize the proficiency level up to 30.
* Weapon proficiency will be increased based on the number of monsters you kill in stage, dungeon, etc