Complex sentence: Lastly, he is skillful in: lock picking, breaking into security systems (not so much computers, which often falls to Sam), carjacking and gaining an'advantageous purchase' comes naturally to him.
Split into simpler sentences: Lastly, he is skillful in: lock picking, breaking into security systems (not so much computers, which often falls to Sam), and carjacking. Gaining an'advantageous purchase' comes naturally to him.