Dreamworks Dragons Season 7 (dub) Episode 2 ●

: Hiccup discovers the culprit is a Sandbuster , a territorial dragon that lives in a complex network of glass tunnels it creates by blasting sand with its super-heated fire.

: Hiccup realizes the Sandbuster is hypersensitive to sunlight. Because it lives entirely underground, its skin reacts painfully to UV rays. DreamWorks Dragons Season 7 (Dub) Episode 2

In the second episode of Season 7 (often referred to as Season 5 on Netflix), titled " Sandbusted ," the Dragon Riders find themselves in a race against time to rescue one of their own from an underground predator. : Hiccup discovers the culprit is a Sandbuster