Star Wars: Darth Vader Book IV: End of Games is the fourth story arc of Marvel Comics' series Star Wars: Darth Vader. Written by Kieron Gillen with art by Salvador Larroca, it is the last arc of the series.. The Emperor puts Vader up against several other servants of his, among which is the cyborg Cylo and his creations. Vader hires bounty hunters and works with Doctor Aphra to find the mysterious Force-sensitive pilot he sensed at the Battle of Yavin.