Power-Up Part 2

The electricity surged through his body, gradually transforming him. 

Black lines began to emerge amidst his silver skin, as if the lightning was etching dark veins into them.

His hair had transformed into a pure, radiant white, while his once bright blue eyes now resembled glowing orbs encircled by arcs of blue lightning, crackling and swirling around them. 

Whatever that Lightning Heart was, it was an very powerful treasure, giving immense benefits to Reign.

In fact, Reign should count himself very fortunate, as Jayden's actions had maximized the benefits of the Rune.

When Jayden forcefully crashed and absorbed the Lightning Rune, it crystallized his heart, transforming it into the core energy of his body, akin to that of a demon. 

Such an occurrence was exceptionally rare. Typically, these runes only enhanced the heart gradually, adapting to it over an extended period of absorption