Sam created enough troubles for the Night demons and left their realm without a second thought. The next stop is Barmmin realm.
This realm is of a bit higher level than the Tri-ashura realm and it is not exactly far away. It has powers that are on a thin line between phase two and phase three of his plans and there are families here that are on the list.
This is the last realm he would have entered according to the phase 2 plans right before entering the phase three.
Even though, these powers are individual and independent, they still have connection with powers in higher realm and these families are responsible for helping these specific higher powers to recruit some prodigies from these realms.
Since it doesn't make sense for them to travel from one realm to another to search for talent and they were afraid that they might lose their sense of superiority, they conduct a tournament every now and then.