
After locating the DETONATOR KEY and dealing with a few more of Bartoli's henchmen, as shown in the previous section, you'll end up in a little garden with a gazebo, outside the LIBRARY. The small, wooden door opens automatically as you approach.

Jump into the canal and swim to the far left corner. Climb out on the low ledge. Then quickly climb onto the brick ledge on the left before the rat (36) on the lower ledge can bite Lara.

Shoot it from above.

Then head to the other end of the ledge. Do not use the detonator plunger yet or you will not be able to get the last secret. Instead, climb onto the garden wall...

...and follow it to the far end.

Vault onto the brick ledge and pull up onto the roof. Shoot out one of the windows and go inside...

...to find SECRET #3, the Jade Dragon (24), plus 4 boxes of shotgun shells (25-28) if you've found all three secrets.
SECOND SHORTCUT: Now, if you don't mind missing one kill and a medium-sized explosion, you can take a shortcut to the end of the level. Details are in a footnote following the main walkthrough.

To get that last kill, you'll need to blow up the abandoned building where you found the secret. Return to the detonator plunger on the wall at the other end of the canal, either via the brick wall (white arrows) or swimming (blue arrows).

Use the DETONATOR KEY to set off an explosion. A sniper (37) begins firing from the balcony above on the left. To take him out without losing too much health, run to the left end of the detonator ledge and take cover beneath the overhang.
NOTE: If you arrive at the plunger but are missing the DETONATOR KEY, either take the shortcut or backtrack to get the key. These links lead to the relevant footnotes in the main walkthrough.

With Lara's back against the long wall, sidestep out to the right with pistols drawn.

If you move carefully, you can get a lock on the sniper before he can target Lara.
NOTE: As long as you still have a little health after this encounter, don't waste a medipack. Lara's health will be restored at the end of the level.

When the sniper is dead, follow the garden wall back to the ruined building (or swim across and climb up onto the wall as shown above).

Jump from the end of the garden wall into the upper level of the building. Then climb up through the hole in the ceiling...

...into the room where the Jade Dragon was. (As you can see, the table where it used to sit is gone now.) Jump over to the block ledges in the corner and pull up through the opening in the ceiling.

Don't bother crossing over to the sniper since he's not carrying any goodies. Just follow the brick pathway to the back right corner. Drop into the dark passageway, follow it to the end, and slide down the long slope into the next level.
DARK MODE: I plan to add optional dark mode for these pages, but my current priority is updating the walkthroughs. Meanwhile, may I suggest a reputable dark mode browser extension, such as Dark Reader? (Download only from trusted sites, like darkreader.org or your browser's official add-on/extension site.)
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