So gameplay then? Throwing logic out the door. The highest attainable rank in Halo 2 is level 50, 16 ranks above that of the guardians(currently). Master Chiefs newest game has a max rank of 130. 96 ranks above the highest current level in Destiny. See where I'm going with this? Now, if you want to talk lore... Well I don't see how any guardians is going to hit chief with anything and do significant damage. Statistics: -6 times faster reflexes than an Olympic athlete -Able to run maximum of 80 MPH -Able to lift warthogs, with ease -Shielding can withstand 18 rounds fired from a shotgun, at lethal range -Can withstand a military grade missile -Trained since 6 years of age in every combat, and tactic -Better aim and eyesight than any human could hope to have -Battle hardened -Master tactician -Incredible intelligence -Armour is immune to heat, and cold -Shielding recharges quickly -HUD allows pinpoint accuracy for enemy movement -Armour compatible with all enemy equipment -Master with every weapon, and weapon type known to man -Labeled "Demon" by those who fear him -Responsible for the destruction of countless covenant vessels, and hundreds of thousands of covenant -Strong enough to punch holes in armoured vehicles -Evolved by the Librarian to be the best humanity could be -Immune to the composer -Luck What was that about a solar grenade? He's too damn fast to be hit by one, even if he was it wouldn't even damage his shielding, and he doesn't need a weapon. He is a weapon. He could punch a hole through an Exo, throw a Titan hard enough to shatter every bone in his body, take a nova bomb and eat it... He is the embodiment of living weapon.