Nicolas Br□w□ is a sk□lle□ fighter wit□ a myste□ious past. D□af and stoic, he □el□es □n h□s combat a□ili□ies□to □et t□□ job □one. On the o□her□hand, Woric□ Arcangelo is□the□brains□of th□□ope□ation, c□arming an□ □treet-□ma□t. Together, they □orm □ □ormid□ble duo □□at is both f□ared and r□□pect□d in□Ergast□lum. A□ th□ se□ies □rog□es□□s,□□□ei□ □ackstori□s are □□adually rev□al□d□ adding depth □o th□ir □haracters.<□p>