Chapter 965: Chapter 965 - 825: Skill Tree

When those dark red patterns covered about one-tenth of the surface of the Spiritual Power Crystal, Duke sensed that a critical node had arrived.

He quickly picked up the second Magic Potion, the Pupil of the Rule Horizon, uncorked it, and drank the tri-color gradient liquid in one gulp.

This time, the potion's effect was not warm nor cool, but a kind of extreme clarity.