<p><span style="font-size:14px">I know only one coal basin that you can fire by using firebug. This coal basin is part of <em><a rel="nofollow" href="https://tibia.fandom.com/wiki/Kissing_a_Pig_Quest/Spoiler">Kissing a pig Quest</a>. </em></span><span style="font-size:14px">If I find another coal basins which are not part of quest I will update my answer.</span></p><p><span style="font-size:14px"><img src="https://vignette.wikia.nocookie.net/tibia/images/1/16/Love_10.jpg/revision/latest/scale-to-width-down/250?cb=20080119175219&path-prefix=en" alt="Love 10"></span></p><p><span 10" src="https://vignette.wikia.nocookie.net/tibia/images/1/16/Love_10.jpg/revision/latest/scale-to-width-down/250?cb=20080119175219&path-prefix=en"></span></p><p><span style="font-size:14px">Source: <a rel="nofollow" href="https://tibia.fandom.com/wiki/Kissing_a_Pig_Quest/Spoiler">https://tibia.fandom.com/wiki/Kissing_a_Pig_Quest/Spoiler</a></span></p><p><span style="font-size:14px"><img src="https://tibiopedia.pl/images/static/quests/kissing_a_pig_quest_skrzynkapokoj.jpg" alt="obrazek"></span></p><p><span style="font-size:14px">Source: <a rel="nofollow" href="https://tibiopedia.pl/quests/Kissing_a_pig_Quest">https://tibiopedia.pl/quests/Kissing_a_pig_Quest</a></span></p><p></p>alt="obrazek" src="https://tibiopedia.pl/images/static/quests/kissing_a_pig_quest_skrzynkapokoj.jpg"></span></p><p><span style="font-size:14px">Source: <a rel="nofollow" href="https://tibiopedia.pl/quests/Kissing_a_pig_Quest">https://tibiopedia.pl/quests/Kissing_a_pig_Quest</a></span></p><hr><p>Edit 03/11/21:</p><p><u style="box-sizing:border-box; color:#34495e; font-family:"Open Sans",Helvetica,Arial,FreeSans,sans-serif; font-size:15px">Ferumbras Ascension Quest</u><span style="color:#34495e; font-family:"Open Sans",Helvetica,Arial,FreeSans,sans-serif; font-size:15px">- using Fire Bug on basis Fire basins in </span><span style="color:#34495e; font-family:"Open Sans",Helvetica,Arial,FreeSans,sans-serif; font-size:15px">Pumin Seal.</span></p><p><span style="color:#34495e; font-family:Open Sans, Helvetica, Arial, FreeSans, sans-serif"><span style="font-size:15px">https://tibia.fandom.com/wiki/Ferumbras%27_Ascension_Quest#Pumin_-_Tarbaz.27s_Seal</span></span></p>