views ▁pra ised ▁the ▁visual s ▁and ▁p acing ▁of ▁the ▁plot ▁while ▁not ing ▁that ▁the ▁greatest ▁f law ▁in ▁the ▁series ▁is ▁that ▁the ▁designs ▁can ▁be ▁incons istent ▁at ▁times . ▁Z ac ▁Bert sch y ▁of ▁An ime ▁News ▁Network ▁gave ▁it ▁an ▁overall ▁score ▁of ▁B + ▁and ▁critic ized ▁the ▁characters , ▁stating ▁" It ' s ▁an ▁un fortun ate ▁st ain ▁on ▁an ▁otherwise ▁excellent ▁series ." ▁However , ▁he ▁pra ised ▁the ▁animation ▁stating ▁" The ▁background s ▁in ▁particular ▁are ▁bre at ht aking ly ▁detailed ▁and ▁beautiful , ▁which ▁is ▁a ▁surprise ▁given ▁the ▁ble ak , ▁d yst op ian ▁surr ound ings " ▁Carlo ▁Santos , ▁also ▁from ▁An ime ▁News ▁Network , ▁critic ized ▁the ▁middle ▁and ▁ending ▁of ▁the ▁an ime , ▁stating ▁" Some ▁of ▁the ▁middle ▁episodes ▁fall ▁back ▁on ▁experimental ▁g imm icks ▁and ▁fail ▁to ▁advance ▁the ▁story , ▁while ▁the ▁finale ▁becomes ▁a ▁tower ing ▁mess ▁as ▁it ▁des per ately ▁tries ▁to ▁resolve ▁every ▁single ▁plot ▁point . ▁Even ▁the ▁animation ▁has ▁embar rass ing ▁moments ▁of ▁incons ist ency ." ▁However , ▁Santos ▁continued ▁to ▁state ▁" for ▁trying ▁so ▁hard ▁to ▁scale ▁the ▁height s ▁of ▁a ▁difficult ▁genre , ▁Er go ▁Pro xy ▁still ▁deser ves ▁credit . ▁It ▁accomplish es ▁more ▁than ▁most ▁other ▁an ime ▁series ▁ever ▁hope ▁to , ▁fla ws ▁and ▁all ." ▁ ▁I GN ▁contrib utor ▁D . ▁F . ▁Smith ▁review ed