It is definitely an AU 10
A supportive role and the true power of Luffy
Nami immediately created a sea stone bubble in front of them in order to nullify the devil fruit attack of the wide mouth CP agent. Although the entire sound wave disappeared the moment it came into contact with the sea stone bubble, the shock wave from the attack, which was a purely physical form of offense, still reached the straw hats. It was one of the major disadvantages of her sea stone bubbles. But fortunately this time the shockwave was not strong enough to harm any of them. The Straw hats just got blown backwards from the second attack of the CP agent. Nami switched and turned her staff. Luffy was a devil fruit user. So no matter what she couldn't let him fall.
Moving her staff in circular motion. She created a thick cloud in the sky. It was dense enough to hold all of their weights.
"Thanks Nami !" Luffy immediately thanked his navigator as the trio landed on the artificial cloud.
"Careful ! My supplies are limited. I can't create these multiple times. So don't let them destroy it !" Nami warned the other two.
"Got it !" Zoro didn't wait and jumped down from the cloud while unsheathing his swords.
"Yeah ! Just stay here…Shi shi shi shi !" Luffy jumped down as well, even though there was no platform to stand on. Nami's eyes widened in shock when Luffy kicked the air and went towards the two CP agents. Zoro was also surprised. But since he couldn't walk in the air like his captain, he launched his most powerful air slash towards the enemies.
On the other hand Jabra was cursing at his luck. At first that stupid Fukuro destroyed the ship they could have used to escape instead. But before he could yell at his stupid junior, Fukuro attacked again. But this time something peculiar happened. The busty orange head of the group did something that canceled Fukuro's powers. Jabra didn't understand what exactly happened neither did he care. Because he didn't have time to think about his enemies move.
"720 caliber phoenix !"
Zabra jumped up to dodge the attack and managed to get away unscathed. But Fukuro was not fast enough to dodge the flying slash without any consequences.
A deep gash appeared on his lower stomach as he jumped away.
"Gaaaaaahhhh !"
Fukuro screamed in pain but still managed to stay conscious. He couldn't maintain geppo because of his wounds. So he landed on a floating piece of debris large enough to hold his body weight.
But Jabra didn't have time to worry about his partner as his opponent was already on him. He was very surprised that someone in the backwaters of the east blue could even use the marine six style. But due to his experience, he managed to recover very quickly.
He tensed his muscles as he prepared his most powerful attack. Even though his rokugan was still way behind Lucci's and was not perfect yet, it was still his most powerful attack.
In any other situation, Jabra would have liked to play with his target. But now the situation is different. First they failed in their mission and now they were facing opponents that could be easily considered as strong in the grand line power scaling. On top of that his partner was already injured. So he decided to end it quickly by using his strongest attack from the very beginning.
But unfortunately for him, his opponent was Monkey D Luffy. A person with lowest IQ yet highest battle IQ. A kid who had learnt the skywalk all by himself just in order to run away from his scary grandfather.
And that was just the beginning. Luffy had a very keen battle instinct. Even though he didn't have awakened observation haki, his battle instincts alone could be scary than the basic observation haki.
As Luffy reached near Jabra, his instincts warned him about something wrong in the situation. So he used his most defensive ability.
"Rokugan !"
"Gum Gum balloon !"
Rokugan was an attack combining different aspects of all the 6 Marine powers. It could damage a person's internal organs just because of the sheer intensity and shock wave caused by this attack even if the person is made of rubber. But that will change when the rubber person's body is extremely strong and is filled with air. Which would naturally nullify the effects of Rokugan. This time, Luffy's physical body was way stronger than the Luffy of canon. Almost as strong as the nightmare Luffy in the canon. So naturally his defenses were very high. As the result, Jabra's weaker version of Rokugan didn't affect Luffy even in the slightest.
Luffy on the other hand, didn't let go of the air he had inhaled. Enlarging his arm to that of a giant, he punched Jabra with all his strength.
Luffy was not intending to kill him. But Luffy had always compared his strength to his grandfather. So his scale of 'strength' was clearly way above that of a normal person.
As a result, even if he was not intending to kill the werewolf, Jabra was turned to a meat paste and shot towards the destroyed ships completely turning them into splinters, sinking his partner along with him.
As Luffy deflated he couldn't maintain geppo and flew away like a balloon. Fortunately before he could drop into the ocean, Nami caught her captain mid air.
…
Nami was surprised with Luffy's strength. But it was a pleasant surprise. Despite being able to defend herself, Nami never wanted to be someone who would actively fight with enemies. She always wanted a relaxing and easy supportive role. And wish the strength of the boys she was sure that unless they face a large group of enemies, she can remain comfortable in a supportive role.
"Hey ! Witch ! Why am I the only one swimming ?" Nami broke out of her thoughts hearing the rough voice of Zoro.
"Several reasons !" Nami shouted from the back of Blue.
"Blue can't carry the combined weight of you two. And secondly Luffy is a devil fruit user. So he can't swim. And the final reason, you are a man ! So suck it up !" She ignored the swordsman after that and held Luffy tightly enjoying the ride.
…
Next chapter: A brave warrior of the sea
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