you can use this patcher so u can edit what ever you want .. Credits goes to MGProject ..
Download : 
or you can edit it by yourself with ollydbg ..
offsets :
PHP Code:
Notice Hex 78 = 120 , 168 = 360 , 0F0 = 240
//120 Mastery limit (SRO_Client)
0069C7C8 3C 78 CMP AL,78
006A51BC BF 4A010000 MOV EDI,168
006AA4C3 BE 4A010000 MOV ESI,168
//240 EU Mastery Limit (SRO_Client)
006A5197 3D F0000000 CMP EAX,0F0
006A51A2 BF F0000000 MOV EDI,0F0
006AA498 3D F0000000 CMP EAX,0F0
006AA4A3 BE F0000000 MOV ESI,0F0
