A rare and awe-inspiring sight, Architects are colossal Remnant constructs that burst from the ground, using multiple element zero cores to hover and attack from above. They dwarf buildings and ground vehicles, and their armor is impenetrable to all known small arms fire, including mass accelerator rounds. Only the power cores on an Architect's body appear vulnerable, and even they show signs of self-repair capabilities given enough time.
Each Architect is armed with multiple defensive systems, each extremely dangerous. Ferrofluid reservoirs and minifacturing peripherals allow it to create smaller Remnant units to swarm enemies. Its most devastating attack is an electrically-charged energy burst that swarms with fluidly replenishing shrapnel, overcharging shields and then shredding a target. Though an Architect cannot be destroyed, disabling its power cores will ground it, giving an opportunity to interface with its central processor and reprogram its current directives to compel it to leave.
The name "Architect" precedes their initial sighting. Peebee claims she theorized the existence of a Remnant that was responsible for excavating the space needed for vaults, and for building other Remnant infrastructure. These Architects, simply by size alone, appear to fit that profile.