What to know
- The Infiltration Red Brick unlocks the Ninja modifier in LEGO Batman: Legacy of the Dark Knight.
- You must explore an optional side room after using the zipline during the mission.
- Two book piles are required to complete the pressure plate puzzle.
- The final step needs all four pressure plates activated simultaneously, using either co-op or AI assistance.
The Infiltration mission hides one of the more interesting collectibles in LEGO Batman: Legacy of the Dark Knight. Unlike several Red Bricks that are simply hidden behind destructible walls or side paths, this one requires a short puzzle sequence involving books and pressure plates. If you miss the side area after the zipline section, it can be easy to overlook entirely.
| Quick Overview | Details |
|---|---|
| Mission | Infiltration |
| Collectible | Red Brick |
| Unlock Reward | Ninja Modifier |
| Required Action | Pressure plate puzzle |
| Co-Op Needed | Yes (AI partner also works) |
| Missable | Yes |
| Main Landmark | Gold stud side path after zipline |
Where the Red Brick puzzle appears in Infiltration mission
The collectible becomes accessible roughly halfway through the Infiltration mission. After progressing through the early combat and environmental puzzles, you will eventually build a catapult to continue forward. Once you cross the zipline section, the game naturally directs you toward the primary objective room. However, the Red Brick is hidden in a nearby optional area marked by a trail of gold studs leading away from the main path.
Inside this hidden section, you will discover a small puzzle room containing multiple pressure plates and nearby stacks of books that must be transported into position.
How to unlock the Ninja Red Brick and get Ninja Modifier
Step 1
Continue progressing through the Infiltration mission normally until you reach the catapult-building section. Destroy the required objects and assemble the catapult to move forward through the level.
Step 2
Use the zipline to cross into the next major area. After landing, avoid rushing directly into the main mission objective room.
Instead, look carefully for a path lined with gold studs leading toward a side area. This route signals the hidden collectible section.
Step 3
Enter the side room and search for two piles of books. These objects are essential for solving the nearby pressure plate puzzle.
Do not leave the area yet, as you will need to carry the books back into the adjacent puzzle room.
Step 4
Return to the chamber containing the four pressure plates. You will notice designated spots where the books must be placed.
Pick up each pile of books individually and position them onto the correct pressure plate locations.
Step 5
Once both book piles are placed correctly, two pressure plates will remain unoccupied.
You must now activate the remaining plates simultaneously. If you are playing co-op, both players simply stand on separate plates. If playing solo, the AI companion can assist automatically.
When all four plates are activated together, the Red Brick will spawn.
What the Ninja modifier does
Many players overlook this collectible because the game subtly hides the entrance behind the main progression route. The gold stud trail is the only major indicator that something optional exists nearby.
| Modifier | Effect |
|---|---|
| Ninja | Gives characters stealth-inspired ninja-style visual effects and movement flair |
The Ninja modifier is primarily a fun cosmetic unlock, but it adds a unique style to gameplay and character movement. Players collecting all modifiers will definitely want to grab this one during their completion run.
The puzzle itself is also slightly more involved than standard LEGO collectibles because it requires object transportation and simultaneous plate activation. If you enter the room without noticing the nearby books, the solution can initially feel unclear.
Tips for completing the puzzle faster
| Tip | Benefit |
|---|---|
| Follow gold stud trails carefully | Helps identify hidden routes |
| Explore every side room before advancing | Prevents backtracking |
| Use co-op if available | Makes pressure plate puzzles easier |
| Break nearby objects | May reveal interactable items |
Can you return later in Free Play?
Yes, you can revisit the Infiltration mission later in Free Play mode if you miss the collectible during Story Mode. Since the puzzle does not require special unlocked characters, it can easily be completed on a replay.
However, collecting it during your first run saves time and reduces future cleanup for 100% completion.
The Infiltration Red Brick is one of the more memorable collectibles in LEGO Batman: Legacy of the Dark Knight because it combines exploration with a simple environmental puzzle. By following the hidden gold stud path after the zipline and solving the four-pressure-plate challenge, you can unlock the stylish Ninja modifier without much difficulty. Players aiming for full completion should make sure not to skip this optional area while progressing through the mission.
