▁students ▁won ' t ▁question ▁their ▁appearances ▁on ▁Hall owe en . ▁ ▁C ory ▁and ▁William ▁return ▁to ▁the ▁house ▁empty - hand ed ▁due ▁to ▁William ' s ▁cost ume ▁setting ▁off ▁multiple ▁al ar ms ▁in ▁the ▁neighborhood . ▁Victor ▁and ▁T anya ▁arrive ▁back ▁with ▁a ▁bag ▁full ▁of ▁c andy ▁and ▁allow ▁the ▁boys ▁to ▁take ▁some ▁of ▁their s . ▁C ory ▁tells ▁Victor ▁that ▁he ▁miss es ▁trick - or - tre ating ▁with ▁his ▁father ▁and ▁wants ▁to ▁do ▁it ▁with ▁him ▁next ▁year , ▁but ▁Victor ▁takes ▁the ▁two ▁boys ▁out ▁to ▁get ▁some ▁more ▁c andy . ▁ ▁At ▁the ▁party , ▁R aven ▁and ▁Ch else a ▁struggle ▁to ▁find ▁Edd ie ▁as ▁they ▁become ▁more ▁cow - like ▁in ▁both ▁appearance ▁and ▁behavior . ▁When ▁they ▁finally ▁locate ▁him , ▁Ch else a ▁e ats ▁the ▁book ▁page ▁they ▁needed ▁for ▁the ▁revers al ▁spell . ▁Al ana ▁and ▁her ▁friends ▁announ ce ▁the ▁cost ume ▁contest ▁results ▁and ▁are ▁out rag ed ▁to ▁find ▁Al ana ▁placed ▁second ▁while ▁R aven ▁and ▁Ch else a ▁won . ▁At ▁this ▁point , ▁the ▁two ▁have ▁completely ▁transformed ▁into ▁Hol stein ▁c ows ▁and ▁decide ▁to ▁" mil k ▁it ". ▁It ▁is ▁revealed ▁that ▁the ▁whole ▁night ▁was ▁all ▁a ▁vision ▁that ▁R aven ▁had ▁right ▁before ▁Ch else a ▁a te ▁the ▁bur ger , ▁allowing ▁her ▁to ▁stop ▁Ch else a ▁from ▁e ating ▁meat ▁and ▁prevent ▁her ▁vision