Keepsakes and affinity
Nectar from chamber and special rewards
Build a supply for first Keepsake gifts and later affinity progress.
Nectar-marked chamber doors and eligible special rewards during escape attempts; give it to characters at the House or when the game offers an eligible interaction.
Repeatable from eligible chamber and special rewards, though the specific opportunities vary by run.
Pause Nectar targeting when the next planned gift is funded and redirect to the run resource or relationship goal that is currently short.
Open a guide to find other locations and see what the item is used for.
Build a supply for first Keepsake gifts and later affinity progress.