Your rocket missed. It's as simple as that. Factor in the nigh stalker damage resistance buff and how far off you were and it's pretty easy to see why he barely took any damage. God mode no. Scrub aim yes.
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The rocket was a direct hit.
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Watch again. He moved last second when he triggered his super and the rocket hit the wall behind him which if you know that map conclaves inward creating an even bigger space between the blast and so called god mode. Plus if it were a direct hit the burn wouldn't have been on the wall behind him. Close only counts in horseshoes and handgrenades.
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