The CW has released official stills for Arrow Season 8's fifth episode, titled "Prochnost."
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The episode's title is the Russian word for "endurance," befitting the grueling fights to come.
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The photos show Oliver joining his time-displaced children from the future in a cage match.
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Oliver and his adult daughter Mia Smoak face opponents in brutal brawls.
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Meanwhile, John Diggle approaches Roy Harper with his old Arsenal outfit.
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Roy has since retired from being a superhero and become an auto mechanic.
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The character left Star City after faking his own death several seasons ago.
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Roy and Diggle are both seen in their respective costumes back in the field.
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