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

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Miagani: the third sweep

The last Miagani Riddler sweep for now, from the Gotham Herald through Grand Avenue and the Wayne Tower compound, then the timed cage in The Cauldron, the Two-Faced Bandit robberies and the next Gunrunner cache.

The story can wait a little longer. You have every gadget this stretch needs: the Power Winch and Forensics Scanner on the Batmobile, and the Remote Hacking Device, Remote Electrical Charge and Disruptor on your belt. The walk runs from the Gotham Herald down Grand Avenue to the cathedral, over to the Wayne Tower compound, and back through Grand Avenue Station. From here on, stop road cars on foot whenever one passes, because The Real Deal below needs 20. Left for later: the Wayne Tower riddle, which isn't open yet, anything that needs the Voice Synthesizer, and all of Founders' Island's Riddler challenges.

Riddler trophy: ball maze at the Gotham HeraldCollectible
Location
Miagani Island · Gotham Herald – From the monorail car, call the Batmobile and drive to the foot of the Gotham Herald (3062, 2382), taking the overpass to the Midtown Mall car park's upper level. Two anchors work a metal maze with the trophy ball in it. Winch the first left until the ball falls, then right until it falls again. Winch the second right, then back left, until the ball lands at the bottom, and walk over to open it.
Requires
Summary
One of the Riddler's 243 challenges, collected once and kept for both runs.
Sources
Report an issue
Riddler trophy: robots on the Gotham Herald roofCollectible
Location
Miagani Island · Gotham Herald – Grapnel up to the Herald's roof (3043, 2438), where six Riddler Robots wait. Fight only the green ones, since hitting a red one shocks you. Once the green ones are down, Batarang the question mark to swap the colours and finish the rest, then Batclaw the trophy out of the cage on the wall.
Summary
One of the Riddler's 243 challenges, collected once and kept for both runs.
Sources
Report an issue
Riddler trophy: inside the Dang-Good Donut signCollectible
Location
Miagani Island · Grand Avenue – Go on to the big neon Dang-Good Donut sign (3159, 2470). You can't grapnel to it, so boost off a taller building or eject from the Batmobile, then glide through the hole in the donut. The trophy is on the ledge behind it.
Summary
One of the Riddler's 243 challenges, collected once and kept for both runs.
Sources
Report an issue
Riddler trophy: behind the Lacey's signCollectible
Location
Miagani Island · Grand Avenue – Drive to Lacey's Department Store (3162, 2705). Winch the anchor in the wall by the front entrance to lift the neon sign. Keep it raised, shoot the weak wall behind it with the 60mm Cannon, then get out and grapnel into the room.
Requires
Summary
One of the Riddler's 243 challenges, collected once and kept for both runs.
Sources
Report an issue
Riddler trophy: timed cage on top of the cathedralCollectible
Location
Miagani Island · Grand Avenue Cathedral – The cathedral is across the road from Lacey's. Grapnel to its very top (3183, 2860), where a cage has 2887, 2171 written beside it: the plate on the roof of Elliot Memorial Hospital. Park below the hospital, climb up and step on the plate for a 40-second clock. Drop into the Batmobile, race back, eject and grapnel up to the open cage. If it shuts on you, go back to the plate and retry; bought Grapnel Boost levels, launched from roof to roof, are the other way to beat the clock.
Summary
One of the Riddler's 243 challenges, collected once and kept for both runs.
Sources
Report an issue
Riddler trophy: crate and hatch under the cathedralCollectible
Location
Miagani Island · Grand Avenue Cathedral – At street level by the tunnels (3149, 2959), an anchor sits on the side of the arch with a weak wall above it. Shoot the wall, then winch the anchor as far as it goes to lift an orange crate. Get out, grapnel through the hole, drop into the gap the crate left and grapnel up the hatch to the trophy. Robots then bar the way out: switch to the remote Batmobile, let the crate fall on them, and winch it up again to leave.
Requires
Summary
One of the Riddler's 243 challenges, collected once and kept for both runs.
Sources
Report an issue
Breakable: militia shield, far end of the cathedral tunnelCollectible
Location
Miagani Island · Grand Avenue – Drive through the tunnel past that anchor and out on the cathedral's far side (3248, 2919). Turn round to face the arch you came through: the shield is on its wall, above the muscled statue. Shoot it from the car.
Summary
A militia shield, one of the 90 breakable objects: five of them make one Riddler challenge.
Sources
Report an issue
Breakable: militia shield, Bhagwansingh buildingCollectible
Location
Miagani Island · Grand Avenue – Carry on down the road to the back of the Bhagwansingh building (3324, 2808), beside Grand Avenue Station. The shield is above a balcony, so shoot it from the street.
Summary
A militia shield, one of the 90 breakable objects: five of them make one Riddler challenge.
Sources
Report an issue
Riddle: Wonder Tower at the Grand Avenue statue headCollectible
Location
Miagani Island · Grand Avenue – Leave the car and grapnel up these buildings to the top of a statue's head (3349, 2919). Look out over the water, past Mainland Bridge, for a tower far off in old Arkham City. That is Wonder Tower: zoom in and scan it.
Summary
One of the Riddler's 243 challenges: a riddle solved by scanning the answer, kept for both runs.
Sources
Report an issue
Riddler trophy: weak wall under Mainland BridgeCollectible
Location
Miagani Island · Mainland Bridge – Drop off the building and cross to the Wayne Tower compound at (3514, 2910), then call the Batmobile there; the compound's ramp also gets it across with the Afterburner. Look over the water to the weak wall at (3404, 2921) and shoot it. Eject and glide into the room you opened. If you fall short and land in the water near the hole, Batman may grapnel up by himself.
Summary
One of the Riddler's 243 challenges, collected once and kept for both runs.
Sources
Report an issue
Riddler trophy: under the Wayne Tower stairsCollectible
Location
Miagani Island · Wayne Tower – Grapnel up the tower to the balcony overlook halfway up (3584, 2824). Walk down the stairs to an outside walkway, where you can see the trophy under some steps, and go in through the Authorized Personnel Only door to reach it.
Summary
One of the Riddler's 243 challenges, collected once and kept for both runs.
Sources
Report an issue
Breakable: militia shield, Wayne compound water wallCollectible
Location
Miagani Island · Wayne Tower – Back down on the compound, call the Batmobile, which has to be on this side of the water. Drive to the wall facing the water (3595, 2672) and shoot the shield above the bookstore.
Summary
A militia shield, one of the 90 breakable objects: five of them make one Riddler challenge.
Sources
Report an issue
Bomb rioter: ledge at the Wayne compound cornerCollectible
Location
Miagani Island · Wayne Tower – A short way along, step on the plate on a ledge at the compound's corner (3535, 2673). Fly a Remote Controlled Batarang over the crowd in the street across the water, without hitting anyone, until one rioter is tagged red: he may be by the Cuffs sign. Take him out with the Remote Electrical Charge, or steer a second Batarang through the live current above the K.G. Bagels sign and into him.
Requires
Summary
One of the Riddler's six bomb rioters, each a single challenge, kept for both runs.
Sources
Report an issue
Riddler trophy: Wayne compound trail to Grand Avenue StationCollectible
Location
Miagani Island · Grand Avenue Station – Bring the Batmobile to the green panel at ground level in a Gotham Herald storefront (3701, 2793). In Battle Mode, pulse the Forensics Scanner and follow the painted marks round the tower, over the ramp with the Afterburner, and down the street to a barred gate at Grand Avenue Station, pulsing again if the marks stop. Get out, go round the building, grapnel into its upper level and walk through to the far side of the gate, where the Remote Hacking Device opens its switch. Drive in, follow the marks to the green target above a closed ticket booth, shoot it and climb in. If you take too long the trail ends, so restart it from the panel.
Requires
Summary
One of the Riddler's 243 challenges, collected once and kept for both runs.
Sources
Report an issue
Riddler trophy: on top of a stopped trainCollectible
Location
Miagani Island · Grand Avenue Station – You are already in the station. Go to the train section on its lower level (3346, 2703) and land on the roof of the stopped train, where the trophy sits in the open.
Summary
One of the Riddler's 243 challenges, collected once and kept for both runs.
Sources
Report an issue
Riddler trophy: room under the station stairsCollectible
Location
Miagani Island · Grand Avenue Station – Climb to the top floor of the station (3332, 2675), where you fought the Militia early in the story. Under the stairs that lead further up there is a small room: break the soft wood panel to get in. A floor hatch and a vent also lead there if you find those first.
Summary
One of the Riddler's 243 challenges, collected once and kept for both runs.
Sources
Report an issue
Riddler trophy: through the hotel windowsCollectible
Location
Miagani Island · Grand Avenue – Head for the tall hotel near Wayne Tower (3428, 2597). From a higher roof, glide and crash through one of the large windows on its east or west side, about halfway up beside the first balcony. The trophy is on the reception desk inside.
Summary
One of the Riddler's 243 challenges, collected once and kept for both runs.
Sources
Report an issue
Riddler trophy: top of the Grand Avenue skyscraperCollectible
Location
Miagani Island · Grand Avenue – Cross to the skyscraper over the road from the station (3300, 2583) and grapnel all the way up. The trophy is out in the open on its small top roof.
Summary
One of the Riddler's 243 challenges, collected once and kept for both runs.
Sources
Report an issue
Riddler trophy: wood panel on the next skyscraperCollectible
Location
Miagani Island · Grand Avenue – Glide across to the next skyscraper's lower roof (3279, 2465). The soft wood panel is high on the upper tower, facing the Vicki Vale Show billboard. Climb to the roof above it, step off, turn straight back and glide through the boards.
Summary
One of the Riddler's 243 challenges, collected once and kept for both runs.
Sources
Report an issue
Riddle: The Vicki Vale Show neon at Grand AvenueCollectible
Location
Miagani Island · Grand Avenue – You don't need to move. From that skyscraper, look across to the neon sign for The Vicki Vale Show (3375, 2401) and scan it.
Summary
One of the Riddler's 243 challenges: a riddle solved by scanning the answer, kept for both runs.
Sources
Report an issue
The Real DealAchievement
Location
Miagani Island · City streets – Only cars driving the streets count, not APCs, tanks or other Militia vehicles. Stand in a car's way and press counter as the prompt shows, or glide in from a roof until you are right above one and press attack. Keep at it as you travel if you are short, and get all 20 before the last Own the Roads checkpoint, since patrols may stop after that.
Summary
A trophy for taking down 20 moving cars without the Batmobile.
Trophies
  • Achievement · SteamThe Real Deal
  • Achievement · XboxThe Real Deal
  • Bronze · PlayStationThe Real Deal
Sources
Report an issue

That is Miagani's Riddler work done for now. One last timed cage takes you to Bleake Island, and then come the side missions: three bank robberies and a weapons cache. Each one starts from the Most Wanted wheel, so check which mission is selected before you set off.

Riddler trophy: timed cage on the Mendo Soap towerCollectible
Location
Bleake Island · The Cauldron – The cage is at the top of the Mendo Soap Co. tower in The Cauldron, with 3496, 2540 written beside it. Those numbers are on Miagani, so call the Batmobile and drive to the blocked bridge exit out of Grand Avenue. Winch the junction box in the barricade and hold the revs in the orange to open the cage for 45 seconds. Race over Mercy Bridge on the Afterburner, eject about 200 metres short, and glide to the tower roof (2042, 2736).
Requires
Summary
One of the Riddler's 243 challenges, collected once and kept for both runs.
Sources
Report an issue
Two-Faced Bandit: Chinatown bankQuest step
Location
Bleake Island · Chinatown – Alfred added this mission at the Botanical Gardens, so pick Two-Faced Bandit on the Most Wanted wheel. Go into the Bank of Gotham in Chinatown, across the road from Earl Cooper Auto Repair. A cash bar starts to fall: take down eight robbers before it empties, picking off those busy with the money while the alarm covers the noise. The alarm then stops, so clear the armed Thugs left in the bank quietly from the vantage points and floor grates. Finally, wait by the blocked exit until Batman has spoken to Cash.
Requires
Summary
One of three bank robberies in the Two-Faced Bandit Most Wanted mission, which the full ending needs.
Trophies
  • Achievement · SteamTwo Faces of Fear!
  • Achievement · XboxTwo Faces of Fear!
Sources
Report an issue
Gunrunner: second cache, Sionis IndustriesHidden spoiler – activate to revealQuest stepMinor spoiler
Location
Bleake Island · Sionis Industries – Select Gunrunner on the wheel, or Nightwing won't call. Find the van at the marker, at Panessa Studios or in The Cauldron, plant a tracker on it with the Disruptor, knock on its door, and follow from the rooftops, 150 to 200 metres back, to the abandoned Sionis Industries building. Inside, hack the wall panel to open the gate and shoot the two Sentry Guns with the remote Batmobile. Grapnel up the elevator shaft, use the fuse box to open the roof shutters, then go outside and drop through the glass for a big fight beside Nightwing. Gel a crate in the vault, shut the door and detonate.
Requires
Summary
The second of Penguin's five weapons caches, in the Gunrunner Most Wanted mission, which the full ending needs.
Trophies
  • Achievement · SteamBeautiful Boy
  • Achievement · XboxBeautiful Boy
Sources
Report an issue
Two-Faced Bandit: Founders' Island bankQuest step
Location
Founders' Island · Bank of Gotham – Pick Two-Faced Bandit on the wheel again. The Batmobile still can't reach Founders' Island, so drive back over Mercy Bridge, leave it on Miagani, glide over Penitence Bridge as before and follow the marker to the Bank of Gotham. This one has three floors. Take down ten robbers before the cash runs out, clear the rest silently, and wait for the blast doors to open.
Requires
Summary
One of three bank robberies in the Two-Faced Bandit Most Wanted mission, which the full ending needs.
Trophies
  • Achievement · SteamTwo Sides of the Same Coin!
  • Achievement · XboxTwo Sides of the Same Coin!
Sources
Report an issue
Two-Faced Bandit: Kingston bank and Two-FaceHidden spoiler – activate to revealQuest stepMinor spoiler
Location
Miagani Island · Kingston – The last call comes as you leave; if no marker shows, pick the mission again. Glide back to Miagani, call the Batmobile and go to the Bank of Gotham in Kingston. Two trucks drain the cash twice as fast, so take down all 15 robbers quickly; the chandelier panels can be hacked to drop on them. Two-Face then walks in with seven more, some of whom block Detective Mode: remove the Medics and the jammer first and leave him until last, as one takedown is enough. He goes into the Batmobile, so drive down the GCPD garage ramp near (2330, 2599) and lock him up for the trophy.
Requires
Summary
The last robbery and the arrest of the man behind them, which completes this Most Wanted mission.
Trophies
  • Achievement · SteamJekyll & Hyde
  • Achievement · XboxJekyll & Hyde
  • Bronze · PlayStationJekyll & Hyde
Sources
Report an issue
Grapnel Boost Mk IIIUpgrade
Location
Bleake Island · WayneTech menu – Buy it in the Batsuit tree of the WayneTech upgrades menu, which you can open anywhere, taking any earlier level first. Those side missions paid out points, so now is the time. If you are still short, buy it as soon as you can: Mk IV follows on Founders' Island.
Summary
A WayneTech upgrade that launches Batman higher off a grapnel, and the step before the Mk IV that two gliding trophies lean on.
Sources
Report an issue

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.