139, Fighting Against Kassadin_1

The violet black magic sphere was the boss's special skill -[Void Law Sphere].

After being hit by the [Void Law Sphere], Su Yu's [Lightning Shield] was directly pierced through, causing his health to plummet drastically. It didn't stop until it hit 16%.

"Such high damage!" Su Yu gasps for breath.

And he found that he seemed to be immobile!

A debuff named [Void Imprisonment] had appeared on his status bar now.

[Void Imprisonment]: Makes you fall into [Imprisonment] state, unable to attack, move or cast spells, lasting for 10 minutes.

A full 10 minutes of control!

So it seemed that the [Void Law Sphere] was not only a high-damage lock-in skill, but also a super control skill! How could this boss have such a powerful skill?!

Instinctively, Su Yu wanted to use the [Advanced Scholar Badge] to remove the[Imprisonment]state.

But before doing so, Su Yu suddenly thought of something: