Lava Lessie (shortened from Lava Lesione to meet the name-character limit in Monster Rancher Advance) is a dinosaur monster that has a thick scales on its stomach, wing-like flippers, and two large wings on its back. It is one of the most common types of Lesiones in the games. It cannot roar, but communicates through deep grunting noises.
"This fiery-colored monster has two wings on its back. It manages both land and water without hesitation, adapting to any environment quickly. Its nature is a little rough compared to most of the Lesiones family though."