What is the probability to drop the Ghost backpack from the Pale Worm?
<p>I wanna know if there if the probability to drop a <img alt="" src="https://vignette.wikia.nocookie.net/tibia/images/6/62/Ghost_Backpack.gif/revision/latest?cb=20191113133537&path-prefix=en" style="height:32px; width:32px"> Ghost Backpack from <img alt="" src="https://vignette.wikia.nocookie.net/tibia/images/9/9e/The_Pale_Worm.gif/revision/latest?cb=20191111200711&path-prefix=en" style="height:64px; width:64px">The Pale Worm, Worm is knew the known; my friends and me kill I kill it every week and still no one drop dropped one of them.</p>