Pure Blooded Thief is one of the four official endings to the game Infiltrating the Airship.
Getting the Ending Edit
To achieve this ending, one has to choose the Grapple Gun in the start screen. This way, Henry enters the Airship of the Toppat Clan through a door in the lower parts and starts exploring the Airship from there. When he spots the Ruby in the vault, he decides to abandon his mission and steal it. He succeeds but sets off an alarm in the process. When the military realizes Henry has betrayed them, they decide to attack the airship.
In the attack, the Airship crashes in the desert, creating a war between the army and the Toppat Clan. Somewhere in the Midwest, the Center for Chaos Containment, which respond to the chaos by making Wilson use 4 disks to solve the war. He then sends out a group of soldiers equipped with high-tech armor. One of them lands close to Henry and takes his armor off to pee, allowing Henry to steal the armor. Captain G and Charles consider to intercept him but eventually choose to let him go.
The end credits show Henry flying off with both the powered armor and the ruby.