Learn the Scaven-picker's unarmed fighting style, "Powpapa"

Learn the Scaven-picker's unarmed fighting style, "Powpapa" was going to be a quest in Van Buren, the canceled Fallout 3 by Black Isle Studios. It is located at the Reservation.

Quick walkthrough
After the player character earns Klik's trust, she will offer to teach them their Unarmed fighting style.

Character type completion breakdown

 * 1) Combat Boy, Diplomacy Boy, Stealth Boy - Player character can earn Klik's trust through getting the Rad-X formula from Marty, so they don't need to be a science wiz to open up this option, though it is easier for the science wiz.
 * 2) Science Boy - If the player earned Klik's trust, then she'll teach it.

Source

 * Reservation design document