"Ghost Protocol (Heroes Brawl)"@en . "Ghost Protocol is an all-Nova snipe-battle on Towers of Doom. Be sure to practice your aim before heading into battle, because every shot counts in this game mode \u2013 Snipe not only instantly kills enemy Heroes, but it also reduces the enemy team\u2019s Core health by 1."@en . . . "Ghost Protocol is an all-Nova snipe-battle on Towers of Doom. Be sure to practice your aim before heading into battle, because every shot counts in this game mode \u2013 Snipe not only instantly kills enemy Heroes, but it also reduces the enemy team\u2019s Core health by 1."@en . .