Deploy!
After Slessor, none of the others had any surprises and became normal hellfire demons. After all, to become a Deadly Sin, it was mostly about infusing more energy from Dante, but it also required a special something.
Dante would not have known before, but now he knew that it was fortune. If the fortune cloud above your head did not have even a hint of red, then it was impossible to become a deadly sin, and one would remain a normal hellfire demon.
"Now that you all have changed, you are probably aware of your newfound power and its scope, but that is only transient. One can only know the full extent of their ability through practice, so let's get you guys a chance to do so." Dante addressed them with a nod toward the four sin demons.