Forbidden City Security?

In the ancient China, the chinese know martial arts, they have powers that can cause powerful explosion and somemore can even fly. So it means that the imperial guards were hughly skilled with martial arts, and forbiden city was heavily protected, In this case, why does the british and allied troops suceeded in attacking the forbidden city during the opium wars, and the boxer rebellion ? P.S. Why i know that they can fly is from period dramas

Forbidden City Security?
the British had guns and cannons, the Chinese still used swords and lances ,how can they beat them? though they invented gunpowder , they didn't put it into military





somemore can even fly ?i guess you read too many knight-errant fictions , that's not true, those were myths
Reply:They obviously didn't want to show everyone their mad skills, and like to remain humble, even in the face of oppression. The chinese knew that fighting with their Powerful explosions and somemore can even fly skills wouls cause more damage to China than needed.