Mine adamant ore. I love to RS gold do this at the hobgoblin mining site. You can wear your batwing in full with shield, and you won't have to consume food. Hop worlds. The PKers here are so rare that you don't even want to consider them. Superheating can also be done through mining coal. This can prolong your travel time however I'm not convinced that it's better. 70 mining required, 70...