Sentence:  And the Body of one Dead; — a temple where the Hero-soul once was and now is not: Oh, all mystery, all pity, all mute awe and wonder; Supernaturalism brought home to the very dullest; Eternity laid open, and the nether Darkness and the upper Light-Kingdoms; — do <WSD>conjoin</WSD> there, or exist nowhere! 
Meaning of the word marked with <WSD> tags:  To unite, to join, to league.