David looked into the Doctor's eyes as he injected the tracker ino David. He smirked, he could feel the power in his body. He would drain it yet couldnt. The Doctor asked him "Whats your poower boy?" He looked up at him with a smirk. "Its for me to know and you to find out..." He then heard the guy next to him mention he has eletricity. "I can absorb any kind of energy...I can use it to make myself stronger or shoot it out