<p>You need to deliver 100 demonic core essences to enter the first three floors and 1600 demonic core essences (in total) to enter the last floor of the Catacombs. Demonic core essences also reduces the agony damage that you take every 20 seconds if you are underground. It can go from 4.5% to 0.0% agony damage if you use all 51,200 essences (also granting the "Tear the Toxic Veil" achievement).</p><p><img <p>The total amount needed is <strong>6.000</strong>!</p><p>Confirmed by Tibiawiki.com.br (Portuguese):<img alt="" src="https://www.tibiaqa.com/?qa=blob&qa_blobid=17948033901338186852" style="height:573px; width:600px"></p><p>Source: TibiaFandom<br>https://tibia.fandom.com/wiki/No_Rest_for_the_Wicked_Quest</p>src="https://www.tibiaqa.com/?qa=blob&qa_blobid=464907498589121120" style="height:1280px; width:591px"></p><p>The other answer saying it's 10.000 is wrong.</p>
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