K THERE IS 2 WAYS OF DOING THIS
1}U CAN GO 2 AREA 7 AND TRADE OLD MAN A SPIDERWEB 4 A SPECIAL MUSHROOM WITH ONLY UR WEAPONS AND ARMOR

OR 2}U CAN USE GUNS JUS KEEP USING LVL 3 NORM AMMO AND ICE IT WORKS WELL I DID IT IN 6 MIN