<p>Acording to tibia royal you need to complete blood brothers quest and mark the 8 places that julius tells you also completing Vampire hunter quest picking up the blood skull and the blood goblet and returning all the pages of the diary<br><br>Source:https://www.tibiaroyal.com/es/guide/achievement/61/castlemania/<br><br>The diary<br><br>Source came from Tibia Royal but the fansite doesn't exist so the link doesn't work anymore.<br><br>The 8 spots you need to mark can be found here https://tibia.fandom.com/wiki/Blood_Brothers_Quest/Spoiler at the mission 4<br><img alt="" src="https://www.tibiaqa.com/?qa=blob&qa_blobid=17268396144993887880" style="height:500px; width:1000px">(image source: https://tibia.fandom.com/wiki/Blood_Brothers_Quest/Spoiler)</p><p><br><span style="font-size:16px">Also remember to give the 6 part of the diary </span><br><span style="color:#000000"><span style="font-family:"Helvetica Neue",Helvetica,Arial,sans-serif; font-size:16px">After receiving the first part of the diary, Julius would like you to bring him any other missing diary pages you might find so that he can piece together the entire story. He will give you 1000 experience points for each of the six </span>diary </span><span style="color:#000000">pages</span><span style="color:#000000; font-family:"Helvetica Neue",Helvetica,Arial,sans-serif; font-size:16px"> you can find hidden inside several containers throughout the castle. Doing this is not required</span><span style="font-family:"Helvetica Neue",Helvetica,Arial,sans-serif; font-size:16px"><span style="color:#000000"> in order to be able to complete the quest, but it </span><span style="color:#3a3a3a"><em><span style="background-color:null">is</span></em></span></span><span style="color:#000000; font-family:"Helvetica Neue",Helvetica,Arial,sans-serif; font-size:16px"> one of the requirements for the Castelmania achivement</span><br>Source: https://tibia.fandom.com/wiki/Blood_Brothers_Quest/Spoiler</p>