A. Avoid Eve's blue beam by moving right before she fires. Wait until your AT bar is full and then move in for the attack. It should take around 7 shots.

After Eve floats away, run backstage and open the crate for a Medicine 1 [1]. Now jump down the big hole into the lower level of the theater.

When you land at the bottom, you'll see a little blond girl. After she runs off, go down the hall after her until you reach the giant rat.

After defeating the giant rat, enter room 3 and grab the Medicine 1 [1] from the locker. Enter room 2 and get the Ammo +6 [2] from the locker. Exit and run up the hall to the last door on the left and enter room 7. Enter and push the dead body over. Search the body for the Theater Key [5hôtels Florence]. Grab the Medicine 1 [1] from the chest and save the game if you wish. Use the key to unlock the door to room 5 and enter. Read the diary on the desk to find the Rehearsal Key [6]. Grab the Ammo +6 [2] from the closet and exit the room. Run across to room 6 and get the Ammo +6 [2] from the closet. Exit and enter room 2. Grab the Defense +1 [3] from the chest. Avoid opening the cabinet doors, there's a rat inside. Go to the lower left hand area of the room and break open the wall to reveal a hidden room. Enter the hidden room and get the N Protector [4] from the chest. Exit and enter room 1 from the door farthest south so that you avoid the monsters in the middle section of the room. Grab the Ammo +6 [2] and exit through the door you entered. Head to the end of the hall to the Piano Room.

B. Avoid Eve's two green beams by standing between her arms as she fires. Wait until you AT bar is full and move in for the attack. It should take about 7 shots to defeat her. After she disappears, jump down the hole in the floor behind the piano.

Once you reach the sewer, proceed forward until you reach the stairs. There's no need to go up the stairs. There's nothing up there. Open the chest at the foot of the stairs for the M1911A1 [7]. Keep going until you see the little blond girl again. Don't follow her yet. Go to the far left corner of the room and get the Ammo +6 [2] and then get the Offense +1 [8] from the chest on the right side of the room. Now go the way the little girl went. Go to the flashing light by the gate and save your game. Use the switch by the phone [9] to open the gate. Enter the room and approach Eve. She'll run away and the Sewer Boss will appear.

C. There are two targets on the sewer boss. Your first target should be his tail. Avoid his tail and his green tail beams. It should take about 8 shots to destroy his tail. After destroying his tail, avoid his flames and aim at his head. It should take around 15 shots to destroy the head.