User blog comment:MrSolomon/Solomon's Tale 5; Legacy of Destruction/@comment-2037710-20150804213314/@comment-2037710-20150806062904

Alice immediately noticed Bess's magic mercury shortly before it took effect. She also immediately realized Queen Alraune's poison when she declared she was going to refine it and recognized some of the hazardous drugs lying around in Lily's Mansion from brief glances in the epilogue.

So, attempting to poison her would be a bad idea unless, as Alex said, she's really hungry.