The UFC's broadcast partner in the UK, BT Sport, unveiled a promotional clip to celebrate the Irishman's return to the Octagon.
It starts by zooming inside McGregor's pupil, which has eight sides just like the Octagon.
Then, seemingly inside McGregor's mind, the Irishman appears in a straight-jacket, then is pictured wearing chains, before finally breaking free of the shackles when he steps bare-footed onto the UFC-branded canvas.
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It is there where he feels most at home, according to the promo. "I feel free," McGregor says in a voiceover.
"I feel to be at the pinnacle of any game, whatever you do, you've got to be a little bit gone … and not all there."
"You've got to be almost insane to your craft. When you're in it, and you're there, and you've made it to the Octagon, I just … feel free. I don't feel pressure on fight night, I don't feel pressure when I make that walk."
In the promo, McGregor then goes on to compare UFC ring walks to being chained up, then eventually being freed upon entering the Octagon.
"Someone asked me what it's like when I make that walk … well, I honestly feel like I'm shackled in chains, and when I get to the Octagon I'm peeling it all off and when I finally step foot in that Octagon and place my bare feet on that special UFC canvas, I feel free."
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"I do it for the competition, to have that feeling of freedom. That is why I do not feel pressure in there. I do not. I feel free in there," he continues, before saying that when he's in the Octagon, he feels like he is "prepared to die."
"You're giving everything you've got. You're in there to die, prepared to die in there, and I am prepared to die in there. Not a lot of people can understand that."
"That's why I don't know about anything else. I do not pay attention to nothing else. I'm doing what I was put there to do … and that's why I'm doing so well."
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