i personally would like it if queen's mech arm is made out of wapometal. initially there were some theories going around that it was similar to Z's battle smasher but instead of seastone it had wapometal and queen was part of the team that helped Z with his arm.
but oda is probably going to give him some okama kenpo moves for shits and giggles
but oda is probably going to give him some okama kenpo moves for shits and giggles