Helped by his mother, Hugo has become able to control the rats. Vitalis, who injected himself with the boy's blood, tried to force Hugo through the First Threshold. But, protected by Lucas' elixir, Hugo resisted. Beatrice and her son are still the Grand Inquisitor's prisoners, and he intends to continue his experiments.
CODEX - Hugo's Herbarium: 1/1
Rockfoils (Hugo's Herbarium), the flower located in the kitchen, go pass Lucas that's been busy with the wooden trunk and enter the room then go right (the flower is left of the table).
Saxifrage, also known as "stone-breaker", is often found in cold, mountainous environments, seeping into rock crevices to avoid the frost. It symbolizes inevitability and a form of despair. This nickname comes from the fact that it was considered a means of dissolving kidney stones.