The Mei is the Fifth Mizukage of hidden mist village and she is not as powerful as other kages but she is not too weak also because we shouldn’t forget that she is the only person who can melt Susanoo and she easily cornered Sasuke and she almost defeated Sasuke if it wasn’t white Zetsu help to Sasuke in the Five Kage summit and she also used some powerful Jutsu’s in the fourth great ninja war and she played a major role in the battle against Madara Uchiha and she is one of the few shinobi that has two Kekkei Genkai. she is a master in water release and she can do nature transformations of fire, earth water, and lighting release. She can pick slight discrepancies of another person. we can notice this. When ao is inhabited by Fu Yamanaka mei can easily notice that he is inhabited by another person.
The Fifth Mizukage had two Kekkei Genkai one is lava release and the other is boil release. These are used a couple of times in the series mainly in the fourth great ninja war and only three people can use boil release Kekkei Genkai is 5 tails kokuo, Fifth Mizukage ( Mei ), and finally naruto got it when every tailed beast shared chakra with naruto. He used boil release in the battle against Kaguya.
Lava Style Jutsu:-
This jutsu is only used two times in the series. The first time is in the fight against Sasuke in the five Kage summit and the second time is against black Zetsu while protecting feudal lords. This is one of the most powerful jutsu that Fifth Mizukage had in the naruto series.
Solid Fog Jutsu:-
The solid fog jutsu is an acid mist jutsu and this is the second Kekkei Genkai of Fifth Mizukage. This is the strongest jutsu that Fifth Mizukage ( Mei ) had and this is so powerful that it can even melt shinobi. This is the only jutsu that can melt Susanoo. Fifth Mizukage ( Mei ) used this jutsu against Sasuke in the Five Kage summit.
Lava Monster Jutsu:-
This jutsu is used a couple of times in the series. It is Mostly used in the fight against Madara Uchiha and before it is used against black Zetsu to protect feudal lords. This is one of the most powerful jutsu that Fifth Mizukage had because it can easily melt anything and that’s why it is used a couple of times against Madara. This jutsu gave more damage to Madara than other jutsu in the fourth great ninja war.
Hidden Mist Jutsu:-
The hidden mist jutsu is a conceal ( hiding ) jutsu. This jutsu makes the enemy blind with a thick mist around him and this reduces the enemy’s movement speed. Fifth Mizukage ( Mei ) used this jutsu against Madara to block Rinnegan’s field of vision.
Water Formation Pillar Jutsu:-
The water pillar jutsu is a defensive or protection jutsu that mei used in the fourth great ninja war. This is one of the powerful jutsu that Fifth Mizukage( Mei ) used in the Naruto series. This jutsu is used against Madara’s jutsu majestic demolisher flame ( fire Jutsu). To protect Tsunade ( 5th Hokage of the leaf ) from the fire jutsu and she quickly used another jutsu to attack Madara it is
Water Dragon Missile Jutsu:-
The water dragon missile is used right after the water pillar jutsu to attack Madara Uchiha. This jutsu is the same jutsu that Tobirama ( second Hokage of the leaf ) uses against the Izuna Uchiha ( Madara’s brother ) in the battle between Uchiha and Senju. This jutsu is one of the strongest jutsu to attack fire-style users or fire-style jutsu.