Books like Darker Shade of Magic / A Gathering of Shadows / Vicious

Vicious Victor and Eli started out as college roommates brilliant, arrogant, lonely boys who recognized the same ambition in each other. A shared interest in adrenaline, near-death experiences, and seemingly supernatural events reveals an intriguing possibility: that under the right conditions, someone could develop extraordinary abilities. But when their thesis moves from the academic to the experimental, things go horribly wrong. Ten years later, Victor breaks out of prison, determined to catch up to his old friend (now foe), aided by a young girl with a stunning ability. Meanwhile, Eli is on a mission to eradicate every other super-powered person that he can find aside from his sidekick, an enigmatic woman with an unbreakable will. Armed with terrible power on both sides, driven by the memory of betrayal and loss, the arch-nemeses have set a course for revenge but who will be left alive at the end? "Supremely plotted and incredibly well-written. A Darker Shade of Magic Most people only know one London; but what if there were several? Kell is one of the last Travelers magicians with a rare ability to travel between parallel Londons. Theres Grey London, dirty and crowded and without magic, home to the mad king George III. Theres Red London, where life and magic are revered. Then, White London, ruled by whoever has murdered their way to the throne. But once upon a time, there was Black London... Gathering of Shadows Kell is plagued by his guilt. Restless, and having given up smuggling, he is visited by dreams of ominous magical events, waking only to think of Lila. As Red London prepares for the Element Games - an extravagant international competition of magic - a certain pirate ship draws closer. But another London is coming back to life, a shadow that was gone in the night reappears in the morning. Black London has risen again - and so to keep magic's balance, another London must fall.