Nicolas Flamel

Did you notice?

The trio finally does the library work. A name on a chocolate-frog card becomes a research problem, which is Hermione’s method winning. The Stone is an object that stops you dying, and the book treats that promise as temptation rather than a gadget. Notice how small the card was. Clues in this series fit in a pocket.

Foreshadowing

Immortality as a project, pursued by killing and splitting rather than by a stone, is the late series’ real engine. This chapter offers the kinder, alchemy-flavored version so the darker one has something to sour.

This echo points at book 6. It is a reading note, not a quote.