Dragon Classes

Stoker Class
"Now, according to the book, these hot-headed dragons are furious fire-breathers." - Hiccup from Book of Dragons
 * Fireworm - DHS5
 * Hobblegrunt - DHS4
 * Moldruffle - DHS6
 * Monstrous Nightmare - DHS1
 * Night Terror - DHS7
 * Red Death - DHSF (Dragon Hunting School Frontier)
 * Terrible Terror - DHS2
 * Typhoomerang - DHS3

Boulder Class

 * Catastrophic Quaken - DHS7
 * Foreverwing - DHSF
 * Grapple Grounder - DHS3
 * Groncicle - DHS6
 * Gronckle - DHS1
 * Hotburple - DHS4
 * Screaming Death - DHSF
 * Shovelhelm - DHS6
 * Snafflefang - DHS4
 * Thunderpede - DHS5
 * Whispering Death - DHS2

Tracker Class
"These dragons are silent. They're sneaky. They turn up when you least expect them." - Hiccup from Book of Dragons
 * Hideous Zippleback - DHS1
 * Mudraker - DHS3
 * Rumblehorn - DHS4
 * Snaptrapper - DHS2
 * Snifflehunch - DHS6
 * Stinger - DHSF
 * Thunderclaw - DHS5
 * Windgnasher - DHS7

Sharp Class
"These dragons have a generous dose of vanity and spend a lot of time preening." - Astrid from Book of Dragons
 * Deadly Nadder - DHS1
 * Devilish Dervish - DHS6
 * Egg Biter - DHSF
 * Hackatoo - DHS7
 * Prickleboggle - DHS5
 * Raincutter - DHS4
 * Razorwhip - DHS7
 * Scuttleclaw - DHS3
 * Shivertooth - DHS5
 * Speed Stinger - DHS5
 * Stormcutter - DHS4
 * Thornridge - DHS6
 * Timberjack - DHS2
 * Windstriker - DHS5

Tidal Class
"These beasts live in the watery deep and they can out-swim the fastest ships." - Gobber from Book of Dragons
 * Bewilderbeast - DHSF
 * Purple Death - DHSF
 * Sand Wraith - DHS5
 * Scauldron - DHS1
 * Seashocker - DHS4
 * Shockjaw - DHS6
 * Sliquifier - DHS5
 * Submaripper - DHS7
 * Thunderdrum - DHS2
 * Tide Glider - DHS3

Mystery Class
"We don't know how these guys work. That's why they're a mystery." - Gobber from Book of Dragons
 * Armorwing - DHS7
 * Boneknapper - DHS2
 * Changewing - DHS1
 * Death Song - DHS7
 * Gobsucker - DHS6
 * Smothering Smokebreath - DHS3
 * Sweet Death - DHS4
 * Sword Stealer - DHS5

Strike Class
"Every dragon this class is characterized by blazing speed, vice-like jaw strength, and extreme intelligence." - Hiccup from Book of Dragons
 * Cavern Crasher - DHS6
 * Flightmare - DHS3
 * Night Fury - DHS1
 * Skrill - DHS2
 * Snow Wraith - DHS7
 * Threadtail - DHS4
 * Woolly Howl - DHS5