Some of the fantasy spells work because dragon spirits don't particularly care about ritual as long as you respect them. Dragon shades are hard to find however due the fact that they can't be created anymore. From my lore gathered, the Earth was created with a finite number of dragon spirits by a being known as The Adversary as a symbol of destruction and dominance. They were meant to be able to be eradicated fairly easily when they served their purpose.
That didn't quite work because well... here there be dragons.
About 99% of the fantasy section is hogwash. It's just easier to tell new members to avoid the section outright instead of saying 'spells that call on these beings energy to aid in spells the same way you call on a deity can potentially work provided you believe in and have worked with these beings, understand magick, and the procedure is correct.' Calling on a dragon for protection will work while calling on a dragon to become one yourself won't because that's not how magick works period.
Dragons [like all mythological creatures] are said to exist in the astral realm and are energies that can help us. This is a belief not a fact however [if you don't believe in vampires for example why call on them for help?] so study and draw your own conclusions if dragons or the astral is real.