huh? its directly linked to Zoro actually haki growth.... U cant achieve the growth without enma since it unique to the blade. Zoro haki directly link to a multitude of his stats. Why else would oda switch out shusui with enma??
Also unique training methods, it can be be group with enma. Only the lvl of growth, an impact astronomically smaller.
Nope none of these are similar imi. the characters growth isnt actually hind on thoses methods. Enma however was the only way for zoro to make the improvements he did, in the allowed timeframe. No other sword could replica this growth rate.
Alot of thoses aren't the same case.
Why are u separating them? they go hand an hand, The powerup itself relies completely on the tool. These aren't the random case u mention, here enma specifically why Zoro haki increase. He cant replicate this growth thro any other blade. Enma also automatically uses the properties of flow haki, once trained it arguably enhances that aspect specifically as well.
enma gives the user flow haki doesnt it? it forcibly sucks out haki an allows u to use them with range attacks. Once trained it more then likely makes it easier then normal, causing all his stats involved with haki to go up.
Enma made zoro stronger then shusui, thro a method unique to it. The blades superior imo.
Switching of Shusui with Enma is a whole different discussion, that would have us discuss about Ryuuma/Oden/etc. Since discussing that has nothing to do with this, we'll refrain from going into it.
- Gravity chamber was the only way Vegeta could attain super sayain during that time in the allowed time period.
- Ankle weights were the only way Rock Lee could increase his speed in the allowed time period.
- Seastone was the only thing there for Luffy that would increase his physical prowess in the allowed time period.
- Lifting weights was the only there for Zoro that would increase his physical prowess in the allowed time period.
So gravity chamber, ankle weights, seastone, lifting weights all = powerups.
Why am I separating them? I'm not separating them, they already are separate.
"Enma also automatically uses the properties of flow haki", So how does this boost zoro? Zoro's been capable of putting Haki into his swords for a while. Has it been shown that Zoro struggles with putting Haki into his weapons, something even fodder Kuja pirates can do? Nope. You're telling me an ability that random fodders at Amazon lilly are capable of is a boost to Zoro?
"Allows you to use them with ranged attacks", If a swordsman can't do ranged attacks they can't use that part of it. And if a swordsman is strong enough to wield Enma..then that means they already are capable of using Haki with ranged attacks, otherwise Enma would just kill the wielder due to Haki drain.
So Enma acting as a leech to Zoro's haki = powerup? I'm sorry but I fail to understand this.
Enma made Zoro stronger than Shusui? Sorry but that's simply not the reality. Zoro is making haki control better in order to control Enma, that is not Enma making Zoro's haki control better.
Shusui didn't require mastery in order to form stronger attacks than Yabashuri. That was a powerup of a sword.
Enma requires mastery over it in order for Zoro to be an effective of a fighter that he is with Shusui. That's not a powerup of a sword.
As for which is the superior sword, there's not much to do with opinion. Both are in the same classification in terms of sword quality/material. We then find out a person can take the sword to another level by making it a black blade, Shusui is already a black blade.. thus it's a superior sword than Enma.
Pre-Enma training Zoro w/Enma = Gets his ass kicked by Shusui Zoro, as enma zoro would be struggling with control
Post training Zoro w/Enma = Loses or draws to post training Shusui Zoro, due to Shusui being of higher quality
^ No sword boost there
vs
Zoro w/Yabashuri = Gets his ass kicked by Shusui Zoro, because Shusui Zoro produces stronger attacks.
^ sword boost here
PS: Enma isn't the only way Zoro could've gotten stronger in Haki. Oda could've simply had Zoro & Luffy fight each other in order to improve their Haki, the fight focusing on each of them focusing on improving the specific aspect of Haki or have Zoro do a special training like Luffy to do it. Enma is simply one of the ways that Oda decided to use to make Zoro improve his Haki.