
Knot-Wing the Koopa's Aqua Fort
Knot-Wing the Koopa's Aqua Fort is the fourth level of World 4 found in Yoshi's Woolly World. The level takes place inside a sewer, and it also where Knot-Wing the Koopa's second fight takes place.
Layout
The level begins in a grassy area with Poochy and a small body of water entering one of the two green warp pipes in the area will lead inside the sewer. The second area will drop Yoshi in the water with two Koopa Paratroopas and a blue button the lowers the water level after passing through a flipper gate there is another blue button that raises the water level leading to a green warp pipe.
In the third area activating a hidden winged cloud will reveal a staircase on the left side leading to a button that can once again lower the water level eating the blue edible wall on the right will release 8-bit koopa shell but also grant access to the lower level where a blue button and a Clawdaddy is found Yoshi must once again raise the water level is in order to access a winged cloud to create a platform leading to the door which will take the player to fourth area where the first checkpoint is found.
The player must then raise the water level followed by eating the blue edible floor to enable Poochy to reach the upper level on the top left then hit the button again to lower the water level followed by raising it,lowering it then eating the blue edible wall on the left and raising the water level for the final time enabling Poochy to grab the key on the right granting access to the locked door.
The final area is completely submerged with the second checkpoint, the boss door and spikes upon reaching the top the final blue button will lower the water level the boss door awaits.