Blue Shadow King Awakening?

Pale blue smoke enveloped Diarmuid. By this point, Diarmuid had already begun to turn into energy.

In less than a few seconds, Diarmuid had transformed into a mass of golden energy. The Servant energy swam across Su Xiao's palm, while Diarmuid's soul drifted away.

"The amount is less than I expected."

Perhaps because Diarmuid had expended energy during the battle, Su Xiao did not obtain much Servant energy. It was not a lot, but compared to the amount from before—roughly the volume of an arm—it was far more substantial.

The golden Servant energy sank into Su Xiao's palm and traveled along his arm into the Devour Core near his heart.

The precisely constructed Devour Core immediately began operating, purifying this Servant energy and ultimately converting it into a colorless energy.

When the first wisp of colorless energy drifted out of the Devour Core, the Blue Steel Shadow energy within Su Xiao's body had already become extremely active. It surged forward in an instant and absorbed the colorless energy completely.

As the Servant energy inside the Devour Core decreased, the amount of colorless energy drifting out clearly increased. A few minutes later, all the Servant energy had been converted.

Su Xiao stood where he was, pale blue light flickering in his eyes. The blue smoke drifting from his arm disappeared.

"Whew~"

Su Xiao let out a long breath. Every time he devoured the energy of an Advanced Creature, it was a test of his mental state.

He turned his head and looked outside the Unfinished Building. Having just devoured Servant energy, he was exceptionally sensitive to this type of energy.

"Have you already gone far? Compared to Diarmuid, your energy is so rich it makes my mouth water."

The direction Su Xiao was looking toward was where Saber and the others