I didn't answer because I wanted to spare you some slack coz this chapter must have had a profound impact on you given the way you're talking.
Well, whatever, have it your way
King and Queen are looking directly at the SH duo as they're attacking while everyone and their moms are cheering for Zoro's come back. Zoro did not hit an off-guard or a defenseless enemy. King is completely battle-ready. King is there to murder Zoro in the first place.