<p>Yes, in order to gain the outfit you need to complete the quest "feaster of souls" and defeat its final Boss.</p><p>In Boss: The Pale Worm<img alt="The Pale Worm" src="https://vignette.wikia.nocookie.net/tibia/images/9/9e/The_Pale_Worm.gif/revision/latest?cb=20191111200711&path-prefix=en"> .</p><p>In order to get the addons, you need to use these two items:</p><ul><li>Spooky hood: hood <img alt="Spooky Hood" src="https://vignette.wikia.nocookie.net/tibia/images/1/1c/Spooky_Hood.gif/revision/latest?cb=20191113131239&path-prefix=en">: dropped by the fear Feaster boss, the unwelcome boss</li><li>Ghost claw: dropped by the unwelcome boss</li></ul>boss<img alt="The Fear Feaster" src="https://vignette.wikia.nocookie.net/tibia/images/7/74/The_Fear_Feaster.gif/revision/latest?cb=20191111201147&path-prefix=en">, the Unwelcome boss<img alt="The Unwelcome" src="https://vignette.wikia.nocookie.net/tibia/images/b/bf/The_Unwelcome.gif/revision/latest?cb=20191111200709&path-prefix=en"></li><li>Ghost claw <img alt="Ghost Claw" src="https://vignette.wikia.nocookie.net/tibia/images/f/ff/Ghost_Claw.gif/revision/latest?cb=20191113131105&path-prefix=en">: dropped by the unwelcome boss<img alt="The Unwelcome" src="https://vignette.wikia.nocookie.net/tibia/images/b/bf/The_Unwelcome.gif/revision/latest?cb=20191111200709&path-prefix=en"></li></ul><div><img src="https://vignette.wikia.nocookie.net/tibia/images/d/de/Feaster_of_Souls_Quest_-_Zarganash.png/revision/latest?cb=20191114022911&path-prefix=en" alt="Feaster of Souls Quest - Zarganash"></div><div><em>Image from tibia wikia</em></div>