There is currently no straightforward Perpetual Mechanical Array waypoint.
Once these minions are defeated, players can finish off the boss to gain rewards by spending Resin as usual.
It has the same features as a boss and it takes on multiple forms during its battle.
Lasers Keep an eye on the lasers here, once they join and and are about to reform together, step away.
They usually have their own location or arena within the game.
It can also summon smaller machines to aid it in battle, but this war automaton does not belong to any element.