Alexia isn't your regular princess as she knows how to kick ass and take no prisoners, so taking her by force requires a great element of surprise as she does not go down easily at all. It's far better to earn her trust and approach her directly, even if it may take a while since she's had several people betray her in the past. Since her hips are her weak spot, it's a good idea to change her outfit from the dresses she usually wears, and utilize a good shibari that highlights her chest as well. For her gag, use one that brings out her eyes as either her gentle or fierce gaze depending on how she was caught is very nice to admire. Be prepared to deal with a rescue party if she's taken by force, and she will use any moment of lowered guard to try and escape.