Final answer:
Severus Snape described the Dark Arts as fascinating and misunderstood, which reflects his complex character and the nuanced view of the subject within the series.
Step-by-step explanation:
In the Harry Potter series, Severus Snape described the Dark Arts in a particularly intriguing manner during his lessons. Snape's description falls under Option 1: He described them as fascinating and misunderstood. This becomes evident in the Half-Blood Prince, where he tells his class that the Dark Arts are 'many, varied, ever-changing, and eternal,' and that 'fighting them is like fighting a many-headed hydra'. This suggests a level of respect and fascination for the subject while acknowledging their complexity and danger. Snape's view on the Dark Arts also reflects his own complex character and the dual roles he plays throughout the series.