- The amount of haki zoro uses in koh that was killing him was the same amount oden was capable of casually releasing. Zoro out right says it
- Oden using it as light as a feather straight up goes against you saying it was also taxing on his body to release that much haki
Okay so you think koh will stay its own mode and won’t be incorporated into his base I assume. Being similar to luffy’s usage of g4 not like sanji’s usage of ifrit
You don't get it so I'm going to explain it again.
Enma chose Zoro to test him.
The test was to see if Zoro could wield enma while using overwhelming CoA haki. Oden can wield enma as light as a feather while using overwhelming CoA haki. That's the standard set by Oden to master enma.
The mistake you and others continue to make is you don't understand how enma looks while overwhelming haki is used. It is because of that some think Oden's normal haki output is equal to overwhelming haki output. That's not correct.
The scenes below shows us how enma looks like when overwhelming haki is used.
What do we see? Smoke/flames around the sword. If we don't see smoke/flames that mean overwhelming haki is not being used. It really is that simple. That can be applied to all weapons.
Oda created this concept before the Oden flashback.
During the flashback we never saw smoke/flames on any of Oden's swords.
That mean he didn't use overwhelming haki in any of those battles. Just because Oden can use overwhelming haki doesn't mean he normally used it every time he fights. That's understandable. Overwhelming haki uses a lot of haki and using some much haki puts the user's life at risk. It doesn't make sense to put your life at risk when you don't need to when you can use ACoC to increase your AP instead.
KoH Zoro haki output ≠ Oden normal haki output. It's greater than Oden's normal haki output.
What about Zoro's statement about enma killing him if he keeps using that amount of haki? As I already explained, using overwhelming haki uses a lot of haki. Zoro wasn't just using that amount of haki with one sword, he used that amount of 3 swords. He used 3 times the amount of haki. Plus Zoro was fighting in a war throughout the night where he faced thousands of opponents, he fought against 2 yonko, and was losing haki thanks to a sword he couldn't fully control at the time. Zoro used a ton of haki during Wano war.
To answer your question, KoH will stay it's own unique mode. That's why it is a sword style. Why would Zoro risk his life to use so much haki? Simple, if you want to be the strongest you have to be willing to do things other people won't.
