Hytech

Sorry, forget that part.
Here, i already fix it.
costume.txt

Looks like a client issue (packets maybe). Can you try a newer client (2015 if possible)? if it works in a newer client, open an Issue on github

- script kjdsfksjdf FAKE_NPC,{OnNPCKillEvent: if ( getmonsterinfo( killedrid, MOB_MVPEXP ) && rand(100) < 10 ) getitem Poring_Coin, 1; // change this to gympass ... I don't have in my item_db end;}