Praetorian/Mass Effect x OBD
Praetorian

Name: Praetorian
Origin: Mass Effect
Gender: Unknown
Classification: Collector Construct
Age: Varies
Powers and Abilities: Superhuman strength, speed, durability, stamina, endurance, barrier creation (in the form of Kinetic Barriers and Barrier), mass manipulation (can increase/decrease/fluctuate the mass of a given volume of space via mass effect fields created by its Biotics), energy blasts (in the form of Particle Beams and Death Choir), flight and levitation
Weaknesses: Kinetic barriers fail to deflect attacks without a high enough energy to surface area ratio (can safely deflect high velocity projectiles in-universe, but fail to be effective against in-universe melee attacks  and directed energy weapons).  The shielding afforded by kinetic barriers does not protect against extremes of temperature, toxins, or radiation.
Destructive Capacity: City block level+ with physical strikes (able to ram into a large metal structure and destroy it to no ill effect); multi city block level+ with Particle Beams and Death Choir
Range: Several meters with physical attacks, several dozen meters with Particle Beams and Death Choir
Speed: Massively hypersonic+ (comparable to James Vega who's capable of reacting to and dodging mass accelerator rounds)
Durability: City block level+ without kinetic barriers (able to ram into a large metal structure and destroy it to no ill effect); multi city block level+ with kinetic/Biotic barriers (Biotic Barriers are said to be able to even shrug off Heavy Weapon fire.  Its kinetic barriers should be no weaker than Commander Shepard's)
Lifting Strength: Class 25+ (capable of "lifting" a UT-47 Kodiak "Drop Shuttle" sized ship)
Striking Strength: Class GJ+
Stamina: Superhuman+
Standard Equipment: Nothing notable
Intelligence: Appears to possess a single minded focus towards killing its target(s)
Notable Attacks/Techniques:

Notable OBD Victories:

Notable OBD Losses:

Other: