Go to the hidden wetland farms if you do not know how ask someone how cares :P then get slow fall on and jump into the parralell universe tunnel and when ur about to hit the ground blink and you will be Realy realy far into the univerese and ur about near under IF and then keep running around DO NOT JUMP! and when your around the part near old if jump and you'll be in Old IF the e-z way also you can find other secrets or use this as a trick for pvp idc how you do it just make sure you do it while having fun