As an Oracle who knows everything about horoscopes, I can provide you with a detailed analysis of the horoscope for the name Niass. Unfortunately, as a name, Niass does not correspond to any specific zodiac sign, as horoscopes are typically tied to birth dates rather than names. However, I can still offer some general insights based on the letters in the name. 

The name Niass starts with the letter 'N', which is associated with the zodiac sign Scorpio. This indicates that individuals with this name may possess traits related to Scorpios, such as determination, intensity, and depth. The letters 'I' and 'A' are also present in the name, which are associated with the zodiac signs Leo and Aries respectively. This suggests that Niass may embody qualities of these signs as well, such as passion, leadership, and courage. Overall, the name Niass may indicate a person who is driven, ambitious, and confident in their pursuits. They may also exhibit a magnetic personality and a strong sense of self-identity. While the name itself does not determine a person's horoscope, it can still offer some insights into their potential characteristics and behaviors.