In the room with the two waterfalls (for lack of a better word) look up. There is a point where you can use your grapple.
SUBWAY - RIDDLER TROPHY #22, #23, #24
Use your explosive gel to
destroy the structural weakness guarding these trophies. Crawl under
the door, step on the panel, and hit the Riddler switch that turns on
behind you. This will open the cages, but it will also release steam
from the six vents in the room. Use your freeze blast to stop the steam before it kills you. After you close all six vents you’ll be able to leave the room.
SUBWAY - RIDDLER TROPHY #25
In the room with the two waterfalls, chuck a freeze blast into the water to create a raft. From the raft, you can spot this trophy on the wall. Use your Batclaw.
SUBWAY - RIDDLER TROPHY #26
a gate blocking you from this trophy. The gate is controlled by the
fuse box beyond it. Run south down the tunnel until you find some
electric arcs running across the ceiling. Pilot a remote Batarang through them and all the way back into the fuse box.
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