Monster's Name: Thassameleos Thassameloes is currently classified as a leviathan by the guild, but others argue it's a fanged wyvern because it dislikes water despite being a leviathan. Nobody is quite sure why the tip of its tail is shaped the way it is, as some believe the tip is used to absorb electricity from the ground to use. The thassameleos can inflict thunderblight and paralysis.