I thought king and queen were equals cause they stood next to each other
King is a bit stronger than Queen they are not equal.
King and Queen are a lot stronger than Jack
and way stronger than Perospero level Who's Who
Your grandmaster agrees that it's difficult to pick between having to try to get past either King or Queen
Marco's speaks of them in the same breath about how difficult it is to face such monsters
And without their Hybrids they managed to exhaust his recovery in like half an hour
From their authority over the F6 as the only Beast Pirates to directly command them, to how they both tower over Jack or get hyped up by Zoro or Marco, King and Queen are exceptional.
Edited the post since i just realized we're talking spoilers and we are not in the spoiler thread. You should edit the post i quoted as well.