Ever since a long time ago, incantation speed, speed of release, as well as range of magic had been the three essential factors of a Magician.
As a God-grade BOSS, Nephis was one of the highest existences in the game so she was naturally able to incant and execute any spells in an instant.
Even if this was the case, there was still a vast difference in the speed of magic release.
Not every magic skill could be instantly released like the [Death Ray]. For example, a single-target skill like fireball was a relatively slow magic. While ordinary players were able to execute it, the probability of striking their target is incredibly pathetic.
This was the same even for a God-grade BOSS like Nephis. The majority of her magic skills needed time to be unleashed.
Therefore, the range of magic became a key factor.