The Apex Rapture of the Surface (Pacific Rim the Black X Nikke)

In the distance future, Humanity where nearly the end of extinction against this unknown creatures called the Rapture and with it humanity hid themselves away underground called the Ark where they will be safe. But what Humanity didn't know that an old Relic from the past has now been resurrected from the depths of the Ocean. The old Jaeger Drone has return as the dangerous Hybrid of both Jaeger and Kaiju a like name: "APEX".