Deathstroke Kills [SPOILER] in His War Against the Titans

WARNING: The following contains spoilers for the Titans Season 2 episode "Deathstroke," streaming now on DC Universe.

If any viewers were somehow unfamiliar with Deathstroke's reputation, last week's flashback episode of Titans, swiftly established him as a ruthless and efficient killer, first taking out the key players in a high-profile trial, and then murdering Aqualad. With the latest episode, Slade Wilson demonstrates he's willing to go to any lengths to carry out his vendetta against the original Titans -- including kill his partner in crime, Arthur Light.

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That probably shouldn't come as much as a surprise, as their uneasy alliance seemed doomed from the start: They were a deadly Odd Couple, with Deathstroke (Esai Morales) reserved and calculating, and Doctor Light (Michael Mosley) abrasive and careless. While Light's apparent assassination attempts drew Hank Hall (Alan Ritchson), Dawn Granger (Minka Kelly) and Donna Troy (Conor Leslie) to San Francisco worked like a charm, the rest of their plan hasn't been as flawless. Oh, sure, they kidnapped Jason Todd (Curran Walters) to use as bait, but the motor-mouthed Robin 2.0 beat down Doctor Light, twice. Worse still, the tracking device implanted in the Boy Wonder's body threatens to lead Dick Grayson (Brenton Thwaites) and the other original Titans to the villains' hideout.

That revelation is what what unravels the already frayed partnership, with an enraged Light storming off, intent on exacting revenge for the young heroes sending him to prison five years earlier. However, Deathstroke has other plans -- and, so, Light's last words to his former ally -- "Adi-fucking-os, amigo!" --  prove to be his last ever.

As Light charges up from the array of lamps scattered around their subterranean hideout and leaves, Deathstroke locates the tracking device, and cuts it out of Jason's thigh. "It is you they are looking for," he whispers to Robin,"but it is he they shall find."

Above ground, Doctor Light starts the engine of a pickup truck -- the preferred vehicle of supervillains, apparently -- only for Deathstroke to fire a single shot to his head. He dies to the sound of Nickelback's "Burn It to the Ground," which seems somehow fitting.

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The original Titans soon follow Jason's signal, to the body of Doctor Light, tied to a support beam, with a conveniently placed phone so Slade Wilson can announce himself to the team, and make his demand: Jason Todd in exchange for his daughter, Rose (Chelsea Zhang).

With Deathstroke ready to make his presence known, and enact the next stage of his plan -- reclaim Rose, and make Dick pay for whatever happened to his son, Jericho -- Arthur Light had outlived his usefulness and, probably worse, annoyed the assassin. He simply had to go, but with "Burn It to the Ground" as his funeral hymn? Nobody deserves that.

Streaming now on DC Universe, Titans Season 2 stars Brenton Thwaites as Dick Grayson, Anna Diop as Kory Anders, Teagan Croft as Rachel Roth, Ryan Potter as Garfield Logan, Curran Walters as Jason Todd and Conor Leslie as Donna Troy, with Minka Kelly as Dawn Granger, Alan Ritchson as Hank Hall, Joshua Orpin as Superboy, Chelsea Zhang as Rose Wilson, Chella Man as Jericho, Drew Van Acker as Aqualad, Esai Morales as Deathstroke and Iain Glen as Bruce Wayne.

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