User blog comment:Elgb333/Maids of Honor: Rosarita "Roberta" Cisneros vs Minene Uryuu/@comment-27334870-20171222210806/@comment-422690-20171223043805

Currently, the MP5 is the only weapon that is suspect; even then, you can make a reasonable argument that she owned/used one. If you can find a similar replacement, or even just use some of her other tools (I think she used some sort of chemical agent at one point) it would probably still be fair.

Alternatively, making this a situational battle - Uryuu has to take down a meido-feitshist cardinal, for example, and Roberta is hired to protect him - basically where victory for either combatant is not dependent on direct confrontation but on fulfiling mutually-exclusive goals would also go a long way into making a matchup without an MP5 fair while also making it a little more interesting to write.