Batman Arkham Knight offers a plethora of engaging side missions that expand the lore of Gotham City beyond the main narrative arc. Among the most memorable Most Wanted quests is the Creature of the Night side mission, which introduces players to the tragic plight of Dr. Kirk Langstrom, otherwise known as Man-Bat. Successfully tracking down this elusive flying beast requires a combination of keen observation, audio tracking, and precise navigation across the dark skylines of the city.

Triggering the First Encounter on Miagani Island

Unlike standard missions that appear directly on your map, this quest line begins with a startling jump scare while exploring the rooftops. As you grapple up a building on Miagani Island for the first time, the massive winged creature will suddenly ambush Batman before flying away into the rainy night. This initial contact automatically updates your mission wheel and prompts Alfred to look into local biological research facilities.

Following this unexpected introduction, players must rely on their senses rather than waypoint markers to locate the beast again. The creature patrols the upper atmosphere of the city, emitting a distinct, screeching cry that becomes louder as you approach its current location. Activating detective mode is highly recommended during this phase, as it highlights the flying mammal in a bright thermal silhouette against the dark sky.

Tracking and Downing the Beast in the Gotham Sky

Once you locate the flying creature, your primary objective is to glide above it and perform an aerial takedown to secure a blood sample. You must carefully calculate your trajectory from a higher vantage point to intercept its flight path smoothly. Successfully colliding with the monster triggers a cinematic sequence where Batman successfully extracts a pure DNA sample before the beast breaks free.

With the sample secured, you need to analyze the genetic structure to understand the mutation. This research leads the Dark Knight to a hidden laboratory located in China Town, where the tragic origins of the experiment are fully revealed. Inside the facility, you can interact with computer terminals to mix a functional antidote that can reverse the horrific transformation.

Administering the Cure and Final Confinement

After successfully synthesis of the counter-agent, you must venture back into the open world to hunt the creature down for a second and third time. The process remains similar, requiring you to listen for the screeching audio cues and execute perfectly timed glides from the rooftops. Each successful intercept allows Batman to inject a portion of the syringe, gradually stabilizing the host.

The final injection will render Dr. Langstrom unconscious, allowing you to transport him safely back to the GCPD lockup. Placing him inside a secure isolation cell completes the formal requirements of the mission tracking system. However, players who visit the cell on specific real-world calendar dates might discover a creepy hidden easter egg that serves as a chilling epilogue to this tragic tale.