There was another Dragon Knights castle?! 1906 Majisto's Tower is one of those wonderfully terrible mid 90's sets that Lego threw together from over produced parts and seemingly only released in America (
Certified Used Set 6048 Dragon Masters Majisto's Magical Workshop
1997 Witch's Windship LEGO Set 6037 Fright Knights - Etsy
The First LEGO® Dragon - True North Bricks
LEGO System Dragon Fly Set 2147 - US
Old LEGO® Instructions | Lego instructions, Lego, Classic lego
Amazon.com: Lego Majisto's Magical Workshop 6048 : Toys & Games