Thegateoftheirongridstronglyresiststheinvasionofforeigncountries.Thecitypheasantsaretall，firmandsteep，withdeeptrenchesunderneath.Thebrookaroundthecastlewasbubbling，andtheguard‘sTowerappearedinmidair.    Asmostpeoplehavesaid，thedawningempireisdying.Thisoncehugeempireisnowlikeanoldmanwhohasfallenintothegraveandisabouttoenterthegrave.Butevenso，thedawningempireisstillthemasterofthislandonthebrightside，andeveryonemustobeythelawsoftheEmpire.ItwasinthissituationthatasemielfnamedNavierkilledJackTroy，thecityownerofBuyicity.Jack‘sson，littleJack，vowedtoavengehisfather.Hefoundthefamousswordsmaster，MelSmith，tobuildhimselfagreatswordnamed“vow“，andhewastousethebigswordtocutdownhisenemy‘shead.Thenhesetouttofindthehalfelfwhokilledhisfather.    JackandNavierfinallymetintheEmeraldCityofthedawnEmpire，andthebattleoftwopeopledestroyedhalfoftheEmeraldCity.Notlongafter，countlessrebelsenteredtheruinedEmeraldCity，andthedawnEmpirewenttothecountry.Theserebelshavecarveduptheentireempire‘sterritoryintheEmeraldCity，andeachofthemiskingofindependence.Countlesslargeandsmallcountrieswereestablished，andsoonafterthat，amarathonwarlastedformorethan300yearsbetweenthesecountries.Finally，amannamedNealendedthewarandbuiltanempirecalledthecrescentmoononthelandthatbelongedtothedawningempire.ThecrescentEmpireattachedgreatimportancetoalchemyandengineering，andinvestedalotofmanpowerandmaterialresourcesinthisarea.Eventually，alchemistsandengineersbuiltahugewarmachinenamed“guardianoftheEmpire“.Soonafterthat，theimperialguardslostcontrolanddestroyedtheentireempire.Thecrescentempirewasdestroyed.Andtheimperialdefenderswerecompletelydestroyed.    Afewyearslater，amancalledSaman，withhisownlittlebrothers，overthrewtheownerofthecityofnorthernborder，andthenwentsouth，andfinallyestablishedhisownempire，theSamanempire.Samanwasnotcontenttoinherittheterritoryofhispredecessors，andconstantlydispatchedtroopsacrossthedeadmountainstofindnewland，whilevigorouslydevelopingtheshipbuildingindustry.Theboatmenbuiltanironvesselthatcouldsailonthesea.SamanIVnameditthe“neversinking“.ThesonofSamanthaIV，thefutureofSamanthaV，openedtheshipandenteredthevastsea，anddisappearedforeverinthedeepsea.    ShortlyafterthedestructionofthesaamanEmpire，morethanadozenlargeshipsdroveoutofthesea，themenfromanothercontinent，whoseleaderwasthesonofsaamanIV，thesonofsaamanIV，whoseoriginalnamewasLowmanSaman.Romanwasborntodestroytheimperialguardians.Whenhelearnedoftheexistenceoftheguardianoftheempirefromhisfather‘smouth，hewishedtoseeit.Now，hebroughthiscaravantothemainlandwherehisancestorsoncelived.Atthistime，themainlandisstillfullofdisputes，andpeoplearestilllivingindeepwater.    RomansawthedamagedEmpireguardiansplacedinthedarkvalley，andamonghim，amancalledTriercalledhimselftorepairtheimperialguardians，andRomanagreedtohisrequesttorepairtheimperialdefenders.Trierdidit，andherestoredtheguardianoftheEmpire.Whenheenteredtheoperatingroomoftheimperialguardians，hebecameawareoftheimperialguardians，andhissoulleftthebodywiththeimperialguardsandbecameawhole.