Knot-Wing the Koopa's Aqua Fort
The level starts in an area with Poochy, followed by a pipe that Yoshi can enter. It leads to a sewer-esque area with Koopa Paratroopas and Cheep Cheeps. By hitting a button, Yoshi can lower the water level, and swim through the Flipper to an area with swimming Ukikis, where he can raise the water level again. This leads to another warp pipe, where Yoshi can find a hidden Winged Cloud which will reveal a staircase when hit. When taking the staircase, Yoshi must hit another button to lower the water level once more. Once the lower level is reached, Yoshi must raise the water level once more and sidle to the left, hit a Winged Cloud to unveil a platform that leads directly to a door, then hit the previous button to lower the water level again and enter the door. The first checkpoint immediately follows, which encompasses a near-symmetrical room. Yoshi must hit a Winged Cloud at the bottom right of the room, then hit the button to raise the water level again. Yoshi will reunite with Poochy, and must lower the water level to get Poochy down to the desired level. Yoshi must then raise the water level again to make his way to the top right with Poochy, then press the nearby button to lower the water level again. He must then eat an edible wall at the bottom left of that room, then hit a previous water level altering button via yarn ball to raise the water level again. He must then guide Poochy to the right to grab the key, then to the left to unlock the Locked Door, which leads to the second checkpoint. The final stretch is an obstacle course consisting of many spikes to avoid. Yoshi must simply hit the button at the top to lower the water level, swim back down, and enter the boss door.
Collecting all of the Wonder Wools knits Aqua Yoshi back together.
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