[ You can assume he gave up his heart piece after he found it and told Bruc he was going to research the way to destroy it. ]

Brucolac. I have found what you were looking for.

[ The sound of rapid page turning ]

Place the heart in a silver basin filled with enough morning dew to submerge it entirely. The... the surface of the water must be covered with red-striped anemone petals and left in full sunlight. Anemone petals? I assume we can find some. Either way, then, by moonlight remove it from the water. It must be struck by a blade with the edge slicked in the bearer's blood.