 After the events of the comic tie @-@ in Halo : Uprising , the Master Chief crashes in eastern Africa , where he is found by Johnson and the Arbiter . The Chief , Johnson , and company fight Covenant in the jungle and arrive at a UNSC outpost . Here , Keyes and Lord Hood plan a final effort to stop the Covenant leader , the High Prophet of Truth , from activating a Forerunner artifact uncovered outside the ruins of the city of New Mombasa . The Chief clears anti @-@ air Covenant defenses so Hood can lead the last of Earth 's ships against the Prophet , but Truth activates the buried artifact , creating a slipspace portal which he and his followers enter . A Flood @-@ infested ship crash @-@ lands nearby ; Elite forces arrive and vitrify Flood @-@ infected areas of Earth , stopping the threat . Following a message Cortana left aboard the Flood ship , the Chief , Arbiter , Elites , Johnson , Keyes and their troops follow Truth through the portal . Joining them is 343 Guilty Spark , who aids the Chief as he has no function to fulfill after the destruction of his ringworld . 
