Umm I haven't done RS in a while.
Open ItemAssistant.java and search for: public void dropAllItems() {
You'll see:
Change it to:Code:Server.itemHandler.createGroundItem(o, 526, c.getX(), c.getY(), 1, c.killerId);
I'm not exactly sure, just try this.Code:Server.itemHandler.createGroundItem(o, 526, c.getX(), c.getY(), 1, c.playerId);