The impact of the arrow is just harmlessly absorbed. But even if Ken wasn't immune to it, it looks far weaker than the attacks the robot did.

"Wrong answer."

Suddenly, he teleports right next to Dove and grabs his arm.

"Don't waste my time like this. You had neither strength nor smarts, what did you think you would achieve? Go home and rethink your life."

CRACK

Through enormous strength, he squeezes the forearm until the bone breaks.

"You're lucky that I have some pity for fools. You're getting off lightly."

On this, he disappears. It's like he never was here at all.