<p>When the spell system was created in version 4.0, spells were learnt by using <a rel="nofollow" href="https://tibia.fandom.com/wiki/Spell_Scroll">Spell Scrolls</a>. These spell scrolls were obtained in quests located around Thais. At some point, probably after version 5.0, the devs added the quest to get the Ultimate Explosion spell scroll. that rewarded the spell scroll for <a rel="nofollow" href="https://tibia.fandom.com/wiki/Ultimate_Explosion">Ultimate Explosion</a>. As told by <a rel="nofollow" href="https://tibia.fandom.com/wiki/Loria">NPC Loria</a>, this quest involved getting a special bone found below the "House of Necromant". In case this is how Loria refer to the <a rel="nofollow" href="https://tibia.fandom.com/wiki/Necromant_House">Necromant House</a>.</p><blockquote><p>Player: House</a>, this means the quest was not implemented before version 5.0 on which the map was expanded.</p><blockquote><p>Player: quest</p><p>Loria: I heard from a mystic bone of the lich lord below the <a rel="nofollow" href="https://tibia.fandom.com/wiki/Necromant_House">House of Necromant</a>. Bring it to me, and you will receive a reward.</p><p>Player: necromant</p><p>Loria: He lived in a lonely house in the south eastern part of Tibia beyond the mountains.</p><p>Player: reward</p><p>Loria: I'll teach you a very seldom spell.</p><p>Player: spell</p><p>Loria: I'll teach you '<a rel="nofollow" href="https://tibia.fandom.com/wiki/Ultimate_Explosion">exevo gran mas vis</a>', but bring me this bone first!</p></blockquote><p>Just as many old quests, there is no much info is left about it.</p>