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KR Three-Seven provided air support for JD and Kait as they piloted the mech suits through the Swarm-occupied ruins of the Tollen town center en route to Tollen Dam. Upon reaching the defunct dam's depleted reservoir, the group found the entrance to the Swarm nest guarded by a massive Swarm creature. While JD and Kait used their mechs to disable and sever the creature's tentacles, KR Three-Seven fired missiles into the resulting wounds, inflicting severe damage. The creature then launched several projectiles from its chest cavity that struck KR Three-Seven and forced it down. Its passengers escaped before the damaged helicopter tumbled down a cliff, coming to rest on the floor of the reservoir.
JD ripped out the King Raven's rotor mechanism and used it as a make-shift shield against the creature's projectiles, allowing him to approach it and sever its legs. With the creature disabled, JD shoved the rotor through the creature's head, killing it.
- Gears of War 4 (First appearance)