▁to ▁Y gg dra ▁Union , ▁and ▁including ▁Y gg dra ▁Un ison ▁and ▁Bla ze ▁Union ▁is ▁the ▁fourth ▁install ment ▁in ▁the ▁Union ▁sub series ▁to ▁De pt . ▁Heaven . ▁It ▁was ▁un ve iled ▁in ▁Fam its u ▁magazine ▁in ▁late ▁March ▁ 2 0 1 1 ▁and ▁released ▁in ▁June . ▁ ▁Gl oria ▁Union ▁does ▁not ▁take ▁place ▁in ▁the ▁world ▁of ▁An card ia , ▁and ▁so ▁its ▁connections ▁to ▁the ▁other ▁Union ▁games ▁and ▁the ▁De pt . ▁Heaven ▁series ▁itself ▁are ▁unknown . ▁ ▁Story ▁Th ous ands ▁of ▁years ▁ago , ▁a ▁great ▁kingdom ▁called ▁E uf oria ▁fl our ished ▁making ▁use ▁of ▁a ▁power ▁source ▁known ▁as ▁" Will ". ▁ ▁Through ▁the ▁centuries , ▁E uf oria ▁developed ▁many ▁custom s ▁based ▁on ▁the ▁use ▁of ▁Will , ▁but ▁when ▁one ▁day ▁they ▁realized ▁that ▁their ▁civil ization ▁would ▁soon ▁come ▁to ▁an ▁end , ▁they ▁pou red ▁all ▁their ▁Will ▁into ▁cry st als ▁in ▁order ▁to ▁leave ▁a ▁record ▁of ▁their ▁culture ▁behind . ▁After ▁this , ▁E uf oria ▁s ank ▁to ▁the ▁bottom ▁of ▁the ▁ocean . ▁ ▁In ▁the ▁present ▁day , ▁with ▁the ▁ocean ▁now ▁taking ▁up ▁over ▁half ▁of ▁the ▁world , ▁the ▁se as ▁became ▁populated ▁with ▁many ▁pir ates . ▁Those ▁pir ates , ▁hearing ▁the ▁legend ▁of ▁the ▁cry st als , ▁began ▁to ▁search ▁the ▁ocean ▁for ▁cl ues ▁to ▁their ▁where about s . ▁ ▁Among ▁those ▁pir