User blog comment:Fliu/Chapter 975: Welcome Back Denjiro/@comment-110.141.30.165-20200325010908/@comment-1784001-20200325015337

For your information, Luffy's confrontation with Big Mom happened far before Luffy trained to use advanced busoshoku haki. And I'm pretty sure Sanji would be busy fighting in the war than cook so don't dismiss Enma's potential role in the upcoming fight.