Should be anything that directly increases ur power.
Emna falls right along next to df imo. Both a directly increasing the characters states. While needing training to fully maximize this.
I actually decrease with shusui being better, but tabling that. Emna is the direct cause of zoro haki growth. Zoro haki growth directly empowers his AP/ Lethality/ DC/ and overall defense.
Whats distinguishing these "training tool" from PUs?
-Without enma would zoro haki be where it is now??
- Does growth in zoro haki not direct affective his stats??
No, as zoro could achieve the same tho other means. Here enma specifically why his haki increase the way it is. Cant be achieved with any other blade.
Enma doesn't increase any stat. It takes the haki that is already present in the user and exerts it more than the user wants, it doesn't make the haki stronger or give the user any ability he already isn't capable of doing.
Seastone limits at Udon were the direct cause of Kidd & Luffy gaining physical prowess at Udon.
Weights that put the limit on the body were the direct cause of Zoro gaining physical prowesses all the time.
The Pushups/curls/etc a person does at the gym is the direct cause a person gets better in w.e they were pushing for.
Rock Lee got faster by using ankle weights, does that make ankle weights the powerup or his speed?
Vegeta attained super sayain by pushing himself in the gravity chamber, does that make the gravity chamber his powerup or super sayain?
What differentiates a training tool from a tool that powers you up is the following (using examples above):
- Seastone, they drained Luffy & Kidd's energy, they had to push through it thus exceeding their limits and making gains physically. The seastone here served as a determent to Luffy & Kidd, not as a boost.
- Enma, it drains the haki more than the user wants to a point it causes physical harm to the weilder while providing no actual benefit at all (over shusui that is), Zoro now has to fight against that in order to make his haki better. Enma here is serving as a determent, not as a boost.
VS
- Sabo recieved the mera-mera, he gained a boost in attack prowess & logia intangibility. The DF gave him a boost and gave him more choices of attack, it didn't limit him or serve as a determent of any sort. Thus it's a powerup.
- Raid Suit, when the user wears it they get an increase in stats & gain a special ability. There is nothing the raid suit is doing that is restricting or going against Sanji. Thus it's a powerup.
In speaking of swords, the following is a powerup:
Yubashiri -> Shusui
Why?
1. Shusui is the better sword in terms of sword quality.
2. Zoro's attacks are stronger with Shusui than with Yubashiri.
3. There is no determent to Zoro when using Shusui at all.