▁S as u ke ▁then ▁hon ors ▁his ▁promise ▁and ▁helps ▁Bor uto ▁prepare ▁for ▁the ▁up coming ▁Ch un in ▁Ex am , ▁a ▁test ▁taken ▁by ▁young ▁nin jas . ▁Bor uto , ▁hoping ▁to ▁conv ince ▁Nar uto ▁to ▁spend ▁more ▁time ▁with ▁him , ▁is ▁tempt ed ▁to ▁che at ▁on ▁the ▁exam ▁by ▁using ▁a ▁prototype ▁device , ▁K ote , ▁that ▁stores ▁each ▁type ▁of ▁j ut su . ▁It ▁was ▁given ▁to ▁him ▁by ▁the ▁ar rog ant ▁scient ist ▁Kat as u ke , ▁who ▁wanted ▁his ▁experiment ▁to ▁gain ▁public ity ▁for ▁market ing ▁purposes ▁before ▁Nar uto ▁shot ▁down ▁the ▁proposal . ▁In ▁the ▁ex ams , ▁Nar uto ▁catch es ▁Bor uto ▁che ating ▁and ▁dis qual ifies ▁his ▁son . ▁Before ▁Nar uto ▁leaves ▁the ▁ar ena , ▁the ▁two ▁figures ▁S as u ke ▁previously ▁encountered , ▁Kin sh iki ▁O ts ut su ki ▁and ▁M om osh iki ▁O ts ut su ki , ▁appear ▁and ▁destroy ▁it . ▁ ▁The ▁du o ▁is ▁revealed ▁to ▁be ▁after ▁the ▁N ine - T ails ▁creature ▁se aled ▁inside ▁Nar uto ' s ▁body ▁to ▁create ▁a ▁ch ak ra ▁fruit ▁so ▁that ▁they ▁become ▁imm ort al . ▁Nar uto ▁sacrific es ▁himself ▁to ▁protect ▁everyone ▁and ▁entr ust s ▁Bor uto ' s ▁safety ▁to ▁S as u ke . ▁S ens ing ▁that ▁Nar uto ▁is ▁still ▁alive ▁in ▁another ▁dimension , ▁S as u ke