A concept by "ABJW"...

Lazardios is a dangerous but rare humanoid. There can have red, green, black, white or a sandy colored scales and tend to have red, blue or green eyes. Their height can varies from 6 feet to 13 feet. They're believed to live in underground dens in deserts. With the habitat they are in, they can live for days without water. Similarly, Lazardios can stay hungry and thirsty for weeks at a time starting at birth. These creatures are known to be volatile and it's recommended to not come within their field of detection. A Lazardios's lifespan can reach as high as 98 years on average. Their scales are genetically made in a way that moisture from their cold-blooded body doesn't come out. It is believed that a Lazardios's scales can withstand ever humanly attack possible.