At least they were candidates. [spoiler]0: That was concentrated fire and the Reapers were moving; depends on the type of Reaper. 1: The Mantle's Approach was infiltrated and 117 disabled it's point defense guns, allowing the UNSC to throw enough at it to cut it's shields out. 2: That was a poor move by 343I, the grenade simply didn't have room to explode, and that was a Pulse Grenade. 3: Those were COMPOSED Prometheans, designed to fight the Flood. Obviously gameplay has dumbed down their effectiveness and Halo 4 had not shown their prowess off well. 4: Hunhow clearly states "Sever their heads, yet they rise again..." Hunhow's power has not yet been determined, except that he let himself play dead for the Tenno to eradicate the Orokin. 5: DEATH STAR, MEET BALOR (Formorian)! ...? [/spoiler]