In terms of size alone, the magnificent crystal ball was probably the greatest one in Anril which no other crystal balls could compare to. However, they could not find a mageweath that would allow this crystal ball to function, despite having recalled all of the mageweaths in their memory and those they had read about in legends.
Although the mageweaths that they were familiar with would definitely exert more power on this massive crystal ball, it was still far from being able to optimize its functioning. It was also an insult to the crystal ball and wasting it, just like wasting a Legendary magical crystal on exerting level-1 magic.
However, when everyone approached the crystal ball, they discovered that there was already a complex pattern which seemed to be a mageweath on it. However, none of them were learned enough to identify the complicated mageweath which was complex but did not affect the patterns on the smooth and transparent crystal ball.