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if you mean 'will a brute shooting you with its brute shot, and that the shockwave causes an engineer to explode, count in regards to the "Naughty naughty" achievement.

Then I would guess the answer is no, the brute shot explosion did not come from your player similar to if an engineer was right next to you and blew up because it would count as engineer suicide (thats why suicide grunt throwin a grenade at other grunt in bonus round doesnt count as your kill - unless you shot the second grunt a bit) However the game might assume the brute shot hit you and thinking the explosion was caused by your player being there and it could count as your kill.

Its more likely that it doesnt count towards ^_^

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