OS / OSAD Weapon Item Reform
OS Weapons
To reform OS Weapons to Thanatos OSAD Weapons at Item Reformer Whoopi (grademk 51, 169) (@go 50) you need following items:
| OS Weapon Item Reform Example | |||
| Base Item | Materials | Refine Change | Result Item |
+9~+20  Burning Knuckle-OS [2] (1862)
|
200x  Unknown Parts (25669) 40x |
none |  Burning Knuckle-OSAD [2] (560034)
|
To increase refine rate of OSAD Weapons between +9 and +11 by one you need to use a 
OSAD Weapon Refine Hammer (101364) , 30x 
Cor Core (25723) and 30x 
Zelunium (25731) .
The OSAD Weapon Refine Hammer (101364) can be purchased from Elyumina (sp_cor 111, 130)