Dabi had a rough day with the League of Villains, his boss, Tomura Shigaraki, had another wasted and failed plan that Dabi had wasted his power on and he ended up having a fight with the league... He ended up leaving those good for nothing people for a break, more specifically a smoke break!

"Those goddamned people... Always gotta be messin' things up..."

he muttered to himself leaning against a brick wall of a dimmed alleyway while talking a drag of his smoke