But Kain did.
Not only did he have [Thunder Navigation level Max], but even his familiarity with using magic skills from [Thunder Magic] was a major factor.
If not for his limited talent, Kain would have probably reached the door of the mid-class Magus. Because what he was doing was a more advanced application of [Thunder Magic].
Regardless of whether it was [Thunder Bullet] or [Thunder Summon], in essence, these two magic skills were variations of each other. But what Kain did was completely different.
The lightning spheres condensed into a strip, swirling in the lightning storm created by magic. Each of these lightning spheres was as big as a human head, and the force had already caused the surrounding air to deform before it could even be released.
And this was also Kain's limit.