Just look at chapter when he first get Enma and most of this chapter .
The smoke type stuff is Haki drain even with his other swords since he not holding back haki wise and the lightning is ACoC .
You are completely ignoring the aura that was surrounding Enma on the roof causing Kaido to notice, that was totally different depiction than when it’s sucking Zoro’s haki
Also ignoring that only Enma has that aura while the other 2 swords didn’t, ignoring that that huge aura around Enma is gone and all 3 swords now are being shown as equal.
But at this point think what you wish it’s as impossible to try and show you as it was trying to tell the Enma has Oden’s haki people, even though Hitetsu made it pretty clear there was no other haki but the users.
This chapter has a whole flashback about what swords are meant to do and not to fear the and hold them back, and about how swords choose their owners, the chapter then goes on to highlight that Enma wanted Zoro as it’s master but since Zoro kept fearing it, Enma was acting out against him, and then chapter highlighted Zoro’s realisation that he should listen to the will of the swords which he did and now Wado and Sandai both have similar levels of showing as Enma unlike before where Enma was dwarfing them, but alas believe what you wish.