this is an imensly interesting fight but at lest one of those guys from the seven frinedless is said to be equal to eternity in power considering he helped destroy the universe then took eternitys place. i dont know if the seven endless have that kind of power to take these guys down but im not totally 100 percent sure of there powers can anyone shed some light i know this
dream can make nightmares into reality or good ones i guess as well, or curse people with endless nightmares, or send them to hell.
Death can not die permanatly since she is death if she dies she will meet herself in the realm of death, she can grant immortality to anyone she wishes.
the others i dont know what there powers are