[Traveler, noticing that the shopkeeper seems to 'trust' you, you take the initiative and ask, "Did Wei'er's mother leave anything behind with you before she disappeared? Or did she exhibit any unusual behavior or actions?"]
Instead of waiting for an uncertain future, it's better to clarify what happened in the past and then figure out a solution or avoidance strategy.
["There are some things left behind, yes, but they're just books recording skills, which I've looked through countless times already. They don't contain the clues you're thinking of. However, as for unusual behavior..." ]
[Lena appeared contemplative as she spoke, "Teacher Liya used to visit my house about once a week. After teaching me, she would leave right away. Two days before the Divine Tree Festival started, I had met with Teacher Liya. She seemed like she wanted to tell me something, but eventually, she said nothing and just left."]
[Recorded item: Divine Tree Festival]