Borderlands reference
You will find a secret CL4P-TP from Borderlands within Bloatfang's region inside Act 3, "Several Set up Needed". Beat the Bloatfang, after that move to the ledge in which the Automaton Power Source together with chest can be found. Try this route leading south plus west throughout the Boss area. In the southern section of the level, you will find a CL4P-TP between a few rocks. He congratulates you for beating Bloatfang and provides you Claptrap's Bolt (Armor/Trinkets: Improve charge rate by Ten Percent, Weapon: Conveys Five Percent opportunity to Shock for five secs, item level 32).