Batman: Arkham Origins Walkthrough Deathstroke Boss Fight
Batman: Arkham Origins Deathstroke Boss Fight
You will then fight Deathstroke.
The important thing to defeat Deathstroke is to counter he's attacks, whenever the Blue Marker appears, counter he's attack.
Deathstroke will hit you with a flashbang granade and the jump at you, at this time press the counter button repeatedly to counter he's numberous attacks and then when Batman stuns him, attack him.
After some time, Deathstroke will hit you with the Remote Claw and attack a Gas Tank to it, when the Gas Tank almost reaches you and the Blue Marker appears, use the counter move to grab it and throw it at Deathstroke to damage him.
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