Put down the FUEL CAN (N) and use the pyrokinesis ability to light it.
Take the 2 STATUE PARTS (purple).
Zoom into the gate, take the 3/3 STATUE PART (O).
Send ELF through the gate (light blue); take the 1/2 TUMBLER (P).
Connect the 3 STATUE PARTS to the statue (Q).
Zoom into the statue; take the FILE (R).
Take the LADDER (S).
Walk down twice.
Zoom into the abyss; put down the LADDER (T).
Play the HOP.
You will receive the FORENSICS KIT (U).
Go to the Railway Platform.