Name: Shepard
Series: Mass Effect
Race: Human
Rank: Lieutenant Commander
Abilities / Powers: Highly Adaptive, High Agility, Danger Sense, Escape Artist, Energy Shield, Fire Control, Gadgets (Bionics), Healing, Ice Control, Cybernetic Implants, High Intellect, Master Marksman, High Stamina, High Stealth, Super Senses, Tracking, Unarmed Combat Master, Weapon Master
Adept Abilities: Warp (Energy Explosion), Throw (Tosses targets away), Singularity (Black Hole w/ extreme gravitational pull), Shockwave (Forceful impact that knocks multiple enemies down), Pull (Forcefully pulls enemies closer), Cluster Grenade, Biotic Mastery, Super Fitness (Increases Shields, Health, and Hand to Hand effectiveness by 100%)
vs.
Name: John
Series: Halo
Race: Human
Rank: Master Chief Petty Officer
Abilities / Powers: Highly Adaptive, High Agility, Danger Sense, Escape Artist, Energy Shield, Gadgets, Healing, Holographic Projection, Implants, High Intellect, Master Marksman, Power Suit, High Stamina, Stealth, Super Senses, Swordsmanship, Tracking, Unarmed Combat Master, Weapon Master
Scenario: Shepard is using a maxxed out Adept class, with use of all biotics available. Master Chief does whatever Master Chief usually does. Both start with assault rifles 15m away from each other.
Location: An undisclosed location on a virtually lifeless planet, plenty of places to take cover though.