Missions ( Crisis Core ) / Zack , the Materia Hunter Starting Out . 811 Rematch with Ifrit . " As a result of analyzing the materia you obtained in your fight with Ifrit , we have succeeded in trapping the creature — and chances are good that you can get your hands on rare materia . Hurry to the site . " 812 Raijincho . " We have received information of materia hidden in the nest of an island - dwelling Raijincho . Go to the island and obtain the materia . " 813 Clash with Genesis Troops . " We received word that Genesis troops currently transporting precious materia they had shamelessly pilfered from Shinra . We take the security of our materia seriously — so get it back ! " 814 Rematch with Bahamut . " We thoroughly analyzed the materia you retrieved during your fight with Bahamut , and we believe we have isolated his current location . Hurry to the site — chances are good that you can get your hands on some more rare materia . " 815 Escape from Hojo ' s Lab . " A monster has escaped from Hojo laboratories . The monster has been powered up by materia and must be captured at any cost ! Hunt it down and take its materia after it has been subdued . " 816 Mystery Materia . " We detected a strong materia reaction in the caves . Its source is unknown , as there appears to be no presence of Genesis copies or Wutai remnants . No mako eruptions have been reported either , so conduct an investigation immediately . " Mako Stones . 821 SPR Mako Stone . " A spirit mako stone has been detected in the slums of Sector 6 . Mako stones are invaluable as research material for materia regeneration . Hurry to the slums and obtain the mako stone . " 822 VIT Mako Stone . " We have detected a reaction from a vitality mako stone in the suburbs of Mideel . You will most likely encounter monsters in this area . Use caution as you make your way to the mako stone . " 823 MAG Mako Stone . " We have detected a reaction from a magic mako stone near Mount Corel . You will most likely encounter monsters in this area . Use caution as you make your way to the mako stone . " 824 HP Mako Stone . " We have detected a reaction from an HP mako stone in the plains . You will most likely encounter monsters in this area . Use caution as you make your way to the mako stone . " 825 ATK Mako Stone . " We have detected a reaction from an attack mako stone in the wasteland northeast of Cosmo Canyon . You will most likely encounter monsters in this area . Use caution as you make your way to the mako stone . " 826 LCK Mako Stone . " We have detected a reaction from a Luck mako stone in the Mythril Mines . You will most likely encounter monsters in this area . Use caution as you make your way to the mako stone . " If Zack returns to the same researcher he gets the mission from , the researcher will refine each of the Mako Stones into various materia . To Hell and Back . 831 EM Hell in the Building . " An abnormal electromagnetic field has been activated in a building , damaging the machinery we planned to use in our site investigation . Shinra troops cannot enter with the monsters swarming inside . Find the cause of abnormality and eliminate it . " 832 EM Hell on the Island . " An abnormal electromagnetic field has been activated on a desert island , damaging the machinery we planned to use in our site investigation . Shinra troops cannot enter with the monsters swarming inside . Find the cause of abnormality and eliminate it . " 833 EM Hell in the Wasteland . " An abnormal electromagnetic field has been activated in the wasteland , damaging the machinery we planned to use in our site investigation . Shinra troops cannot enter with the monsters swarming inside . Find the cause of abnormality and eliminate it . " = 834 EM Hell in the Mines . " An abnormal electromagnetic field has been activated in the coal mines , damaging the machinery we planned to use in our investigation of the site . Shinra troops cannot enter with the monsters swarming inside . Find the cause of abnormality and eliminate it . " 835 EM Hell in the Plains . " An abnormal electromagnetic field has been activated in the plains , damaging the machinery we planned to use in our investigation of the site . Shinra troops cannot enter with the monsters swarming inside . Find the cause of abnormality and eliminate it . " 836 EM Hell in the Caverns . " An abnormal electromagnetic field has been activated in the caverns , damaging the machinery we planned to use in our investigation of the site . Shinra troops cannot enter with the monsters swarming inside . Find the cause of abnormality and eliminate it . " From a Hot Treasure Hunter . 841 Suspicious Mail 1 . " This message , from someone who claims to be the " treasure princess " , is suspect . You can apparently meet this person if you head for the plains . Please go there and confirm the information ' s accuracy . " 842 Suspicious Mail 2 . " It seems the " treasure princess " has recruited you as an ally . You now have orders to hunt for a treasure in the ravine . We assume you feel bad making her cry the last time . To curb that guilt , head for the ravine . " 843 Suspicious Mail 3 . " The orders this time ( from you - know - who ) are to look for a treasure in the plains . We know you ' re only going with her to make up for making her cry . She ' s probably playing you , but if that ' s okay by you , head for the plains . " 844 Suspicious Mail 4 . " Our " Treasure princess " seems quite upset , though it ' s obviously not her place to get mad ; she ' s the one providing faulty information . But if you can act the grown - up and not get cross with her , you can head for the marine caves . " 845 Suspicious Mail 5 . " The " treasure princess " is threatening to fire you . It must be welcome news for you , but we should make an effort to defend SOLDIER ' s honor . We suggest you head for the coal mines if only for that reason . " 846 Suspicious Mail 6 . " You have more orders , and a challenge to a duel , from our " treasure princess " . We have had quite enough of this child , so if you ' re as fed up with her as we are , head for the marine caves and tell her off ! " Anonymous Hints . 851 Treasure Info 1 . " This message from an anonymous source hints at a secret treasure to be found in the plains . If it gets into the wrong hands , it may become a threat to Shinra ' s very existence . Go there and protect our interest ! " 852 Treasure Info 2 . " Another anonymous note hints at a secret treasure hidden in the marine caves . If it gets into the wrong hands , it may become a threat into Shinra ' s very existence . Though the claim is dubious , we should make sure . " 853 Treasure Info 3 . " Another note from someone ( who insists on anonymity ) hints a secret treasure hidden in the caves . Contrary to this claim , we doubt that it poses a threat to Shinra . Accept this mission if you want to play along with her games . . . " 854 Treasure Info 4 . " Our favorite anonymous source sends yet another note that hints at a treasure to be found in the coal mines . You may have to spend your money in order to obtain this item , but if you have the time and the finance , go check it out . " 855 Treasure Info 5 . " She still thinks she is anonymous and her note tells us about a treasure to be found somewhere inside the plate . You should go to the area . . . and get to the bottom of how she got your email address . " 856 Treasure Info 6 . " " Anonymous " seems to have barely escaped an unannounced summon appearance . She now tells us about a secret treasure in the cave . It may be dangerous , but we still need to determine the security breach through her . " Yuffie ' s Notices . 861 Notice . " We have received notice from Yuffie that she is attempting to nab some treasure . Based on previous information , the treasure must be in a dangerous place . Head for the caves , take the treasure , and protect Yuffie ! " 862 Another Notice . " Another notice from Yuffie . She seems to be headed for the marine caves this time , but the area is known to be rife with vicious foes ! Yuffie ' s life is in danger — get into the caves and stay alert . " 863 Final Notice . " Yet another notice from Yuffie — this time she ' s headed for the coal mines . She ' s probably not in danger of losing her life , but the area is teeming with monsters . The treasure might be worth the trouble . " 864 S . O . S . ? " Another notice from Yuffie laying claim to some treasure . She talks tough as usual , bit she might be lost in the wasteland . We ' re a little worried bout her . Please go there for our sake . " 865 S . O . S . . " An S . O . S message from Yuffie . Specifics are unknown . We ' re relatively confident that she is safe , but head out . . . just to be sure . " 866 S . O . S . . . ? " Another message from Yuffie , with no subject or punctuation in the main body of the mail . She could be in real trouble this time . . . Then again , maybe not . The decision whether to go or not is yours . "