After saying his piece, Ryker easily break free from her Domain. While she could use it infinitely with very little use of qi, she still need to be able to think when using it, less she accidentally cause untold amount of destruction.
With her brain seizing from the overwhelming pleasure of his Technique, Sophia was unable to retain her Domain, allowing Ryker to take charge.
"Since you have been a bad girl, I think you should be punished," flipping her on her front, Ryker forced her to be on all four, making her look like beast.
With the strength on her limbs gone from being wreck by the pleasure, she was unable to remain on her hands, her arms now on the ground while her lower part was raised slightly upward.
With her back and backside facing him, Ryker gently rubbed her buttcheek. What happened next was not so gentle.
"Kyaaahh!" a powerful spank landed on her rear, Ryker taking the chance to land a strong blow on her backside.