Despite whispered tales of angry spirits punishing the wielders of this blade when they used it to spill innocent blood, there is no trap here. There is also no pull to make her pick up the hilt. That was just to get her to open the box. The choice to take it is wholly hers and when she does, it will feel the same as picking up any other weapon.

With that complete, they can finish exploring the area if they choose. There is only a corridor leading out and also the way they came in.