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Batman: Arkham Knight: Batman: Arkham Knight 100% Completion Guide

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Mercy Bridge and the orphanage

On foot over the river to Grand Avenue Station and the Riddler's orphanage, then the bridge lowered for the Batmobile. Riddler Trials 2 to 6, Season of Infamy's Shadow War and three Most Wanted missions follow, with one trip back to Bleake Island for a gadget from the GCPD.

The Batmobile stops at the raised Mercy Bridge, so this stretch opens on foot: glide to Miagani Island, lift the lockdown at Grand Avenue Station and answer the Riddler's summons at Pinkney Orphanage. Once the bridge is down the car can reach all of Miagani. You carry the Batarang, Remote Controlled Batarang, Batclaw, Explosive Gel, Line Launcher and Grapnel Gun, and the Batmobile has its Power Winch. The Remote Electrical Charge comes partway through, from the GCPD. Left for later: the seventh Riddler Trial, on Founders' Island, where the car can't go yet; the main story's tyre tracks across Miagani; and nearly all of Miagani's Riddler challenges, which the next sweeps collect.

Regain control of Mercy BridgeQuest step
Location
Miagani Island · Grand Avenue Station – Leave the Batmobile at the raised Mercy Bridge on the Bleake side and glide across, keeping above the streets. The raised train line runs straight into Grand Avenue Station: from it, take out the eight Militia soldiers, starting with the one flying the drone from a balcony. Then hack the uplink terminal.
Requires
Summary
The main story step that lifts the lockdown on Mercy Bridge. Hacking the uplink earns No Man's Land.
Trophies
  • Achievement · SteamNo Man's Land
  • Achievement · XboxNo Man's Land
  • Bronze · PlayStationNo Man's Land
Sources
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Head to Riddler's orphanage to rescue CatwomanHidden spoiler – activate to revealQuest stepMinor spoiler
Location
Miagani Island · Pinkney Orphanage – From Grand Avenue Station glide to the marked orphanage in Bristol. Beat the thugs at the front door and interrogate the green Riddler Informant, then go in and free Catwoman in the main room. Ten Riddler Robots attack: swap between the two as you fight, and use a Dual Takedown when the meter fills. As you leave, pick Riddler's Revenge on the mission wheel.
Requires
Summary
The Riddler's broadcast from the uplink sends you to Pinkney Orphanage. This first visit opens Riddler Informants on Miagani and the next Riddler Trial.
Sources
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Riddler Informants on Miagani

From here the green Informants on Miagani mark that island's challenges on your map, so interrogate any you pass. Every Riddler challenge stays open, so take one early if you run into it and tick its entry when you get there.

Riddler Trial 02: Balancing ActHidden spoiler – activate to revealQuest stepMinor spoiler
Location
Bleake Island · Chinatown – Glide back over the river to the Batmobile and drive to the Riddler garage marked in Chinatown, the door covered in green question marks. Below, tilt the see-saw ramps with the Riddler code, hold the middle platform by standing Batman on the plate while you steer the car across by remote, boost off the last ramp and winch the terminal. Back at the plate by the entrance note the green lamp, then as Catwoman take the key from the matching case: the far-left one, near the Numeracy 101 door.
Requires
Summary
The second of the ten Riddler Trials, a Batmobile puzzle room. Its key for the collar earns Pieces of the Puzzle.
Trophies
  • Achievement · SteamPieces of the Puzzle
  • Achievement · XboxPieces of the Puzzle
  • Bronze · PlayStationPieces of the Puzzle
Sources
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Return to Mercy Bridge and lower itQuest step
Location
Bleake Island · Mercy Bridge – Drive from Chinatown back to the raised bridge and park on the ground marker on the Bleake side to lower it. Tanks are waiting on the span: Rattlers, Diamondbacks and the first two Mambas, whose homing missiles you shoot down with the Vulcan Gun. Leave the tyre tracks on the far side for now.
Requires
Summary
The main story step that brings the bridge down, so the Batmobile can cross to Miagani Island.
Sources
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Seduction of the GunAchievement
Location
Miagani Island · Bristol and Grand Avenue – Cross the lowered bridge and hunt the Rattler patrols in Battle Mode, most of them on Grand Avenue. A critical shot is a one-hit kill on the glowing blue light by the main cannon. Clearing them now also makes Miagani safer to explore. If you are short of 50, later drone fights add to the total, and once unlocked, the One Man Army AR challenge at Panessa Studios is a fast way to finish.
Requires
Summary
A running total of 50 critical shots on Rattler drone tanks. It earns the trophy of the same name.
Trophies
  • Achievement · SteamSeduction of the Gun
  • Achievement · XboxSeduction of the Gun
  • Bronze · PlayStationSeduction of the Gun
Sources
Report an issue
Riddle: Catwoman's collar at Pinkney OrphanageHidden spoiler – activate to revealCollectibleMinor spoiler
Location
Miagani Island · Pinkney Orphanage – Drive to the orphanage and walk in: the layout has changed. In the locked room Batarang the three switches until the floor rings make a question mark with its top towards the door, then stand where the lamp's reflection forms the dot and scan it. Beyond, zoom in on the collar round Catwoman's neck and scan that. It can also be scanned in the main room on the first visit, so tick it if you did.
Requires
Summary
One of the Riddler's 243 challenges, solved once and kept for both runs.
Sources
Report an issue
Riddler Trial 03: Numeracy 101Hidden spoiler – activate to revealQuest stepMinor spoiler
Location
Miagani Island · Pinkney Orphanage – From Catwoman, go through the newly lit door and stand each of the pair on a plate. Each screen shows the other one's order, so counting from the left, Catwoman strikes her switches 1, 3, 5, 2, 4 and Batman his 3, 1, 4, 5, 2; if your screens differ, go by them. Beat the ten Riddler Robots, then take the key from the shelf by the wall.
Requires
Summary
The third Riddler Trial, played as a pair at the orphanage. Its key earns The Cat and the Bat.
Trophies
  • Achievement · SteamThe Cat and the Bat
  • Achievement · XboxThe Cat and the Bat
  • Bronze · PlayStationThe Cat and the Bat
Sources
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Riddler Trial 04: CrushonatorHidden spoiler – activate to revealQuest stepMinor spoiler
Location
Miagani Island · Elliot Memorial Hospital – Drive to the marked garage at the hospital in Bristol. It sits at street level in a small square behind barricades, so jump in with the Afterburner off the ramp nearby, clearing out any Militia checkpoint there first. Ride the lift down and win three timed laps, using the Riddler code only on plain ground and steering round the green blocks; a missed time just repeats that lap. Then step on the plate, note the green lamp, and as Catwoman take the key from the second case in the straight row to her left.
Requires
Summary
The fourth Riddler Trial, a three-lap Batmobile race. Its key earns Riddler on the Rampage.
Trophies
  • Achievement · SteamRiddler on the Rampage
  • Achievement · XboxRiddler on the Rampage
  • Bronze · PlayStationRiddler on the Rampage
Sources
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Riddler Trial 05: Flight SchoolHidden spoiler – activate to revealQuest stepMinor spoiler
Location
Miagani Island · Gotham Casino – Drive to Gotham Casino in Kingston, enter its garage and take the lift down. Race at the barricade and eject into a glide to land on the wall pad across the gap. Do it again and turn round the corner for the second pad. For the third, glide through the round saw-blade tunnel without touching its sides and carry on over the water. Then step on the plate, note the green lamp, and as Catwoman walk past the two cases of the left-hand row and open the second case in the first straight line.
Requires
Summary
The fifth Riddler Trial, three glides from an ejecting Batmobile. Its key earns The Burning Question.
Trophies
  • Achievement · SteamThe Burning Question
  • Achievement · XboxThe Burning Question
  • Bronze · PlayStationThe Burning Question
Sources
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Riddler Trial 06: Intro to PhysicsHidden spoiler – activate to revealQuest stepMinor spoiler
Location
Miagani Island · Pinkney Orphanage – Return to the orphanage and take the newly opened Intro to Physics door up to the top level. Catwoman alone lifts a pipe a little, Batman higher, and both together highest, so try the moves first. With Batman on the left plate and Catwoman on the middle one, hit the question mark on the left wall. As the charge clears each pipe, move both to the right plate, Batman to the middle, then both to the left. Step on the plate that rises to make the floor safe, drop down to the key, and beat two robot waves: Batman strikes the blue ones and Catwoman the red.
Requires
Summary
The sixth Riddler Trial, a charge steered through pipes by both of the pair. Its key earns The Primal Riddle.
Trophies
  • Achievement · SteamThe Primal Riddle
  • Achievement · XboxThe Primal Riddle
  • Bronze · PlayStationThe Primal Riddle
Sources
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The Riddler has to wait now, because his next trial is on Founders' Island. The Season of Infamy waypoint that has been on the map through these errands is next, and its blood trail passes a Riddler trophy and a firefighter. It stops at a hospital vent the Remote Electrical Charge is needed for, so the mission pauses there. Five side stops around Miagani come first, then the trip to the GCPD.

Shadow War: rooftop crime scene in Grand AvenueHidden spoiler – activate to revealQuest stepDLC: Season Of InfamyMinor spoiler
Location
Miagani Island · Grand Avenue – From the orphanage follow the Season of Infamy waypoint to the far end of Miagani Island, in Grand Avenue. Scan the two dead League Assassins on the roof with the Evidence Scanner to start the trail.
Requires
Summary
The first stage of Season of Infamy's Shadow War: two dead assassins on a rooftop, and a blood trail leading away.
Sources
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Riddler trophy: cathedral mausoleum sarcophagusCollectible
Location
Miagani Island · Cathedral – Follow the blood from the crime scene down to a lower level on the cathedral. The trophy is on a sarcophagus in the mausoleum, right where you land and the trail picks up (3147, 2991). No gadget needed.
Summary
One of the Riddler's 243 challenges, collected once and kept for both runs.
Sources
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The Line of Duty: Hill, by the Bank of GothamQuest step
Location
Miagani Island · Bank of Gotham – Stay on the trail from the mausoleum: it crosses a tightrope wire towards the Bank of Gotham and goes right by Firefighter Hill (3044, 2472). Step off it, beat the nine thugs round him, only one of them armed, and free him.
Requires
Summary
One of the 15 missing Station 17 firefighters in the Most Wanted mission The Line of Duty.
Sources
Report an issue
Shadow War: blood trail to the hospital ventHidden spoiler – activate to revealQuest stepDLC: Season Of InfamyMinor spoiler
Location
Miagani Island · Elliot Memorial Hospital – Pick the trail up again from Hill and follow it past a group of thugs the assassin fought, on to Elliot Memorial Hospital. It goes in through a vent, but the vent is electrified, so leave it for now.
Requires
Summary
The second stage of Shadow War. The trail ends at a way into the hospital that you can't use yet.
Sources
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The Perfect Crime: Royal Flush Gang buildingQuest step
Location
Miagani Island · Bristol – From the hospital make for the Royal Flush Gang building at the end of Salvation Bridge, over the road from the orphanage, and follow the opera to its roof (3092, 1866). The mission's own waypoint won't be on the spot. Scan the body with the Deep Tissue Scanner: shark bite for skin, glass eye for muscle, arm screws for bone.
Requires
Summary
One of the six hanging bodies in the Most Wanted mission The Perfect Crime, each marked only by opera music.
Sources
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Campaign for Disarmament: mine by the Botanical GardensQuest step
Location
Miagani Island · Bristol – Take the Batmobile to the Militia Explosive Device on the roadside by the Botanical Gardens (3009, 2303). Winch it to upload the virus, destroy all 20 drones that come, then winch it again and hold the revs in the orange.
Requires
Summary
One of the 14 Militia mines in the Most Wanted mission Campaign for Disarmament.
Sources
Report an issue
The Perfect Crime: Heavenly building roofQuest step
Location
Miagani Island · Gotham Casino – Go back to Gotham Casino in Kingston, where Trial 05 was, and get onto the roof of its Heavenly building (2821, 2448). Scan the body with the Deep Tissue Scanner: birthmark for skin, bullet in the arm for muscle, missing toes for bone.
Requires
Summary
One of the six hanging bodies in the Most Wanted mission The Perfect Crime, each marked only by opera music.
Sources
Report an issue
Campaign for Disarmament: mine by the Drone Zone markerQuest step
Location
Miagani Island · Grand Avenue – Drive on to the next mine in Grand Avenue (3168, 2728), by the Drone Zone AR marker if that challenge is unlocked. It goes as before, this time with 24 drones to destroy between the two winch steps.
Requires
Summary
One of the 14 Militia mines in the Most Wanted mission Campaign for Disarmament.
Sources
Report an issue
The Line of Duty: Richardson, Grand Avenue StationQuest step
Location
Miagani Island · Grand Avenue Station – Close to that mine, by Grand Avenue Station, you can hear Firefighter Richardson (3298, 2702). Six Sentry Guns ring him and his captors. Draw the thugs out of the guns' view and beat them, then drop into the middle of the ring from above and destroy the guns one at a time before freeing him.
Requires
Summary
One of the 15 missing Station 17 firefighters in the Most Wanted mission The Line of Duty.
Sources
Report an issue

One more firefighter on the Wayne Tower side, then head back over Mercy Bridge. The GCPD visit and a Riddler trophy that has been waiting since the first sweep come next. After that the gadget finishes Shadow War, which runs from the hospital to Panessa and back.

The Line of Duty: Daniell, Wayne TowerQuest step
Location
Miagani Island · Wayne Tower – Head to the south-east side of Wayne Tower (3719, 2916). About nine thugs, most of them armed, hold Firefighter Daniell here. Open with a surprise attack from above, keep moving between targets, and free him once they are all down.
Requires
Summary
One of the 15 missing Station 17 firefighters in the Most Wanted mission The Line of Duty.
Sources
Report an issue
The Line of Duty: Green, under Mercy BridgeQuest step
Location
Miagani Island · Under Mercy Bridge – On the way back to Bleake Island, stop below the Miagani end of Mercy Bridge, by the water (2652, 2805). Seven armed thugs hold Firefighter Green on open ground, so hit them from the ledge above and move fast. Free him when they are down.
Requires
Summary
One of the 15 missing Station 17 firefighters in the Most Wanted mission The Line of Duty.
Sources
Report an issue
Remote Electrical ChargeKey item
Location
Bleake Island · GCPD Lockup – Cross Mercy Bridge and drive to the GCPD garage ramp in The Cauldron (2330, 2599). Walk to the Evidence Room, the far south room of Maximum Security, smash the glass case opposite the door and take the Remote Electrical Charge. It can be taken from the first GCPD visit, so if you already have it, tick this and move on.
Requires
Summary
A gadget nobody hands you: it waits behind glass at the GCPD. It powers generators and opens many Riddler puzzles from here on.
Sources
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Riddler trophy: generator gate across from the Clock TowerCollectible
Location
Bleake Island · Chinatown – Drive from the GCPD to the street across from the Clock Tower, to the base of the building under the giant crane (2180, 2191). Winch the anchor point out as far as it goes, then get out and fire the Remote Electrical Charge at the generator above it. The gate opens on the trophy.
Requires
Summary
One of the Riddler's 243 challenges, collected once and kept for both runs.
Sources
Report an issue
Shadow War: into the hospital, fuse box, four switchesHidden spoiler – activate to revealQuest stepDLC: Season Of InfamyMinor spoiler
Location
Miagani Island · Elliot Memorial Hospital – Drive back to the hospital, use the Remote Electrical Charge on the short-circuiting generator and beat the Loyalist assassins inside. Restore the power and follow the blood under the elevator to the lower levels. Near the dead Rebels, fly a Remote Controlled Batarang through the small vent cover, out of the broken window to charge it, and back in to hit the fuse box. In the morgue scan for the four switches, press 3, 1, 2, 4 counting from the left, and speak to the Loyalist leader.
Requires
Summary
The third stage of Shadow War: inside Elliot Memorial Hospital to the end of the blood trail. It earns The Demon Lives Again!
Trophies
  • Achievement · SteamThe Demon Lives Again!
  • Achievement · XboxThe Demon Lives Again!
  • Bronze · PlayStationThe Demon Lives Again!
Sources
Report an issue
If the Lazarus line doesn't appear

Players have reported the tracking line failing to start, in New Story+ too. Make Shadow War your objective on the expansion tab of the mission wheel, or simply drive to the dockyard under Panessa Studios: the step should still complete there.

Shadow War: track Lazarus to the pit under the Panessa dockyardHidden spoiler – activate to revealQuest stepDLC: Season Of InfamyMinor spoiler
Location
Bleake Island · Panessa Studios waterfront – Leave the hospital and get in the Batmobile, where a green mini-map line follows the Lazarus traces through the sewers, over Mercy Bridge to the waterfront at Panessa Studios. Get out, go down the sewer entrance and work through on foot with the Line Launcher and Explosive Gel. At the pit beat the Rebel assassins and let the scene at the fountain finish.
Requires
Summary
The fourth stage of Shadow War: a sewer trail back on Bleake Island. It earns Daughter Of The Demon!
Trophies
  • Achievement · SteamDaughter Of The Demon!
  • Achievement · XboxDaughter Of The Demon!
  • Bronze · PlayStationDaughter Of The Demon!
Sources
Report an issue
Shadow War: back through the morgue to Ra's, make the choiceHidden spoiler – activate to revealQuest stepDLC: Season Of InfamyMinor spoiler
Location
Miagani Island · Elliot Memorial Hospital – Drive back to the hospital and tear the elevator's restraints off with the Batclaw to drop it. Cross the electrified water in the morgue on the Line Launcher, firing again in mid-ride. Then choose: give Ra's the cure and fight the Rebels and Nyssa, or destroy his life support and fight the Loyalists. Both finish the mission, and only the second puts him in a GCPD cell.
Requires
Summary
The last stage of Shadow War: a choice that settles the League's war. Either option earns Ashes to Ashes.
Trophies
  • Achievement · SteamAshes to Ashes
  • Achievement · XboxAshes to Ashes
  • Silver · PlayStationAshes to Ashes
Sources
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About this guide

Two playthroughs. Run 1 on Normal or Hard does the story, every Most Wanted mission, Season of Infamy, all 243 Riddler challenges and the Knightfall Protocol, with free roam still open afterwards. Run 2 is New Story+, played on Knightmare, for the main missions and Blunt Trauma. The Arkham Episodes, A Matter of Family and the AR challenges come last.

Last verified: Nov 5, 2026 · Patch PS4, Xbox One and Steam, latest patch, with all DLC · 0 community corrections shipped

Unofficial fan guide. Not affiliated with the publisher.