for ryuma countless battles to become king...strongest haki and maybe his bond with sword? Since i love the topic im gonna go in some

. I have always found it interesting that the road to laughtale vol 2 talked about wb naginata having extraordinary durability to channel his full power through it... Black blades are known for hardness and durablity and won't break/bend even if a dinosaur stepped on it. What does this extra durability say for ryuma and also mihawk who need it to channel there full haki through there blades?
Personal opinion i think the forging or a black blade only starts when a swordsman flows adv coc through them that said lets say ryuma after countless battles with lots of coc haki use, his blade can break via his own use, and since each blade has a rank/durability ryuma pushed his blade to the breaking point. We learned in wano each sword has there own personality, so shusui could not have wanted to break and in order to facilitate the extreme haki use that ryuma put on shusui it awakens in a sense and it turns black. As a result forging itself into a permanent black blade because its bond with ryuma is a permanent i guess if you want to say the swordsman and the blade are permanently one.
Going off of the one piece manga we know ryuma has legends about pirates and nobles wanting the land of gold, we know ryuma held them all off making it known that the land of wano was a land of samurai. What if this moment of battle was the creation of the black blade in which he had to go all out to defend wano bringing shusui to it limit and awakening the black blade. Ryuma history of battle is noted to the creation of a black blade. Maybe zoro realizes that lots of fights are necessary maybe even that haki is key but obviously he has no clue coc haki is needed as well?
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What if nobles came to wano just like they came to god valley? All those ships would make for a lot of battles for ryuma.
The dragon comes after this since gyukimaru separates the two legends in which it is slain with the black blade, and to note zoro used shusui to slay dragon 13 in punk hazard because its tough.
The nobles liked dragon #13 and named it that, and in ryumas story he slays a western dragon so maybe oda will make it to where, after the nobles failed and ryuma held them off they sent a dragon (maybe real) or a df user dragon to wano and ryuma killed it with his black blade.
Idk lol i love black blade hype and ryuma having it in monsters intrigues the hell out of me.


