Yas is a large Vassagonian snake. Although non-poisonous still it´s very dangerous. To kill its prey it first hypnotizes them with its mesmerizing stare then crushes them to death with its powerful body. Yas have a red forked tongue, thick brown blood and a yellow head. The snakes sleepy eyes have red-rimmed, slit pupils that mesmerize as it tries to hypnotize its prey.