<□>Nicolas Brow□ is □ skille□□fig□ter with □ mysterious past. □e□f and stoic, h□ re□i□s on his□comb□t abilities to ge□ the □ob □one□ On the other □an□, Wor□c□ Ar□□ngel□ is □h□ □rains□□f t□e □pera□ion, ch□rming and str□et-sm□rt. T□ge□her, □hey form a□□ormida□le duo t□a□ is both fe□red a□d □espect□d □□ Ergastulum. As □he se□ies progresse□, th□i□ backstories □□e□gradually rev□aled, adding □epth t□ thei□ characters.