CoA
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Where did Sanji exhibit Colour of Armaments in this chapter? I mean, Oda was quite ambiguous with his show of Sanji using Colour of Conqueror, but at no point did he show Sanji using CoA.
Talking of CoA, why did Virgo/Wergo/Vertigo/Velgo/etc use a CoA flute on Law? It's quite clear he already disabled all Paramecia with his flute and it's not like Law could turn to gas, which means there's really no need to use CoA on the flute and hit Law with it.