OSRS Map: https://goo.gl/1r6MKR (affiliate)
Fight Stage Calculator
http://darkwalllke.com/osrs/osrs-combat-level-calculator/
Max Hit Calculator
http://darkwalllke.com/osrs/osrs-max-hit-calculator/
Web site: http://darkwalllke.com/osrs/
Twitter: https://twitter.com/Darkwall_LKE
Fb: https://www.fb.com/profile.php?id=100010690715593
Google+: https://plus.google.com/u/1/102774177765886426150
This information covers how one can rapidly create an F2P energy pure for PKing on OSRS.