Re-Awakening with the Summoner's Class

“Beforethetowersfell,beforeeverythingwasconsumedbydarkness...”LeoAstraliswhisperedtohimselfwhiletraversingthroughtherubbleoftheancientstructure.Hisbodyborethescarsofsurvival,bitemarksthatthrobbedagainstthecoarse,blood-stiffenedfabricofhisclothing.“..Iwonderwhattheworldwaslike.”AfterhumanityfailedtocompletetheToweralmost700yearsagointime,itexploded,spreadingmonstersallovertheword.Eventhesystem,whichblessedhumanswithpower,hadabandonedthem.Ordidit?[Run]AsingularmessageurgedLeotoescape,yetitwasshortlivedaswashewascaughtlikeananimalinatrap.Andjustlikeananimalhelashedoutuntiltheveryend,takingoneofthecaptorstothegravewithhim.Butasdarknessclosedin,thesystemspokeagain.[OnetimeRegressionactivated][Congratulations.You'veactivatedtheHeartoftheSystem]