[grey_1960]

Originally Posted by james0246

^Law, with Haki, is essentially a god in the Rooms he creates. As he has trained his powers, he can make the rooms faster and larger. Since we currently know of no limits to his powers, it is conceivable that Law can reduce his casting time even further, and create even larger rooms. Consequently, since we know of no limits or specific weaknesses (beyond general DF weaknesses), it is conceivable that Law will one day be able to encompass entire islands (if not more) in his rooms and do anything to almost anyone he wants (save for potentially Blackbeard or those with Haki that surpass Law's or a Logia that could fill an entire room (maybe)).

Law being singled out
Law's potential and his powers are no different from the Akoiji and Akianu who can change the landscape of an Island, White Beard power to sink Marine Ford or any other Island, Akoiji who can freeze whole oceans, Shiki who can make whole Islands float. Then you have Black Beard who has the quake fruit, Logia fruit, and still searching. What happens when he gets the perfect zoan fruit to complement his two other fruits? What if Enel comes back and has king haki, and armor haki in his arsenal? What if Big Mama and Kaidou have powerful devil fruits like White Beards? My deal is there are tons of fighters with the same potential if not more, but Law is the one getting scrutinized about his powers being too much.

Originally Posted by C.A.

@grey_1960:
Taking sea water and seastone into the picture adds nothing to the argument that Law's ability is overpowered or not, because all Devil Fruits are weak against the sea. The same for Haki, because its effective against everything. The sea and Haki are not the natural weakness for Law's ability, its the weakness for all Devil Fruits.

Practice is not the Devil Fruit's weakness, it is the user's own capability. Luffy as a kid was just not good at fighting, you can give him any fruit and he won't be able to show how good those abilities are.

Lets say there's a fruit called AK-47 fruit, this gives the user the ability to use an AK-47, and another fruit called katana fruit, which allows the user to use a katana, there's also a fruit called grenade fruit, which allows the user to throw grenades.

These fruits gives the users powers that range from shooting over long distances, slicing stuff apart to causing explosive damage. At the same time, each fruit also gives the user different weakness, AK-47 ability has to reload ammo, katana has short range, grenade can damage the user himself.

These fruits also require the users to practice with them to become an expert. AK-47 ability requires marksmanship training, rifle maintenance and gun handling, katana requires swordsmanship and strength training, grenade requires bomb handling and explosive technical knowledge.

Devil Fruits are just another type of weapon and fighting style.

Who values what and why do they use it then?
Seas stone and Sea water are very much in play. The fact that Impel down uses it to control devil Fruit users, Marco was subdued by Seas stone cuff during the Marine Ford War (he was useless until they got the cuff off of him), and the fact that Smoker uses Seas Stone on the tip of his weapon proves it has value and it can be used in a fight. Even the Marines (at Impel down waters trying to stop No.1 and Croc) have mention that they are devil fruit users, all we need to do is push them over board into the water. Kizaru went unchallenged in the Saboday arch except for one person, Sliver Raleigh was able to cut Kizaru and hold him back thanks to haki. You are wrong if you think Haki, Sea stone, or Sea Water are not in play when considering Laws abilities are over powered or not. If anything Haki has been the greatest asset for resisting and gaining advantage against devil fruit users. Look at the recent chapters with Luffy. He has handled three logia users now, all thanks to haki. If his and Zoro's haki are equal or stronger then Laws, then they will have no problems inside Law's Room. Smoker even mentioned about the level of Haki to tashigi when she tried to attack Law. If Seas Stone, Sea Water, and Haki are not considered natural weaknesses then why is being used against devil fruit users and their power? Why are the marines using it? Why would Smoker use a Sea Stone tipped weapon against Law and any other devil fruit user? Why would someone like Rayleigh use Haki or even teach it to Luffy if it has no value against devil fruit users or their power. Yes they are natural weaknesses because they have proven effective against Devil Fruit users and there powers.

No I never said practice was a weakness. I was using Luffy’s Gum Gum No pistol past and present and Smoker and Tashigi handling of the smoke fruit, was to show that the user can be the strength or the weakness of the devil fruit.

You can disagree all you want or go with the assault rifle example but I have shown you evidence to back up my argument and they are all related to the One Piece Universe.

Originally Posted by The Small One

Well, we don't know, if he can really do "anything he wants". So far it looks like he isn't able to kill people inside of his room.
All the people he slices up survive (in different pieces), and the marines are also still alive. Technically he has no reason to let them alive and only take away their phones. And why did he only remove Smoker's heart instead of trying to kill him instantly?
To me it looks like killing is not possible inside the room. (Which would make sense, if we take it as a doctor's ability)

Nice observation
I did not notice that at all with Law’s power. You have good question. The only bad part is it now raises even more questions. That would also be very odd for a devil fruit if you could not kill people with it.