A dozen breaths were enough for him to accomplish many things.
The three sets of witch arrays were completed, and Duke retreated to the cave entrance.
He raised his left hand, and the Yellow Sand Crystal glowed faintly.
Hundreds of dark golden sand streams surged from his body, quietly lurking on the cliffs on both sides of the valley.
The sand streams condensed into Sand Servants, each closely attached to the rock wall, merging with the stone.
Their aura was obscured by the Confusion Array Plate, making them indetectable from the outside.
After a final inspection, ensuring all setups were complete, Duke turned around and entered the cave.
Inside the entrance, he sat three steps away, leaning against the rock wall, closed his eyes, and his breathing gradually steadied.
It looked like he was resting, but his Spiritual Power continually enveloped the entire valley, every grain of sand was his eyes.
Two hours later, three figures appeared outside the valley.
