Plasmarine

is the of , the seventh in .
==Characteristics==
 is a jellyfish-like creature that is battled in an underwater room, where is unable to attack using his . is susceptible to the and will alternate between its blue form and its red form each time uses the item on it. 's method of attack is to swim quickly to 's location, stopping briefly to either shoot an electric ball toward him, or try to electrocute him on the spot. The electric ball produced is always the same color as the 's present form; must use the to both displace the and switch its color, so that it gets hit by its own attack. As takes damage, it will begin to fire more electric balls in succession. After taking enough damage, it will be defeated, leaving behind a and opening the door to the .
==Nomenclature==