Screen 6 - Underwater Screen
Take advantage of the walls and slide all the way up to them. Jump and shoot the Mets as needed.
Be careful with the jumps and proceed as quickly as you can.
As a reminder, you cannot jump out of slides underwater in Mega Man 4
Safe way - Damage boosting
Here we will stay on Buster. But this can be scary to move properly in the water especially near the end. Scared? Well time to do some damage boosting!