<p>Until now there is no information on any wiki's, but <p>According to Wiki br, also some players already reported that the reported, the Ring of Souls drops from the boss <a rel="nofollow" href="https://tibia.fandom.com/wiki/Brain_Head">Brain Head</a> <img src="https://vignette.wikia.nocookie.net/tibia/images/4/4e/Brain_Head.gif/revision/latest?cb=20191106184808&path-prefix=en" alt="Brain Head"> located Head" src="https://vignette.wikia.nocookie.net/tibia/images/4/4e/Brain_Head.gif/revision/latest?cb=20191106184808&path-prefix=en"> located at the <a rel="nofollow" href="https://tibia.fandom.com/wiki/Netherworld">Netherworld</a> which you can kill during the <a rel="nofollow" href="https://tibia.fandom.com/wiki/Feaster_of_Souls_Quest">Feaster of Souls Quest</a>.</p><p>You can enter with a team of maximum 5 players to kill the boss.</p>boss.</p><p></p><p>Source: <a rel="nofollow" href="https://www.tibia.fandom.com">TibiaFandom</a>; <a rel="nofollow" href="https://tibiawiki.com.br/wiki/Home">TibiaWikibr</a></p>