Arven was surprised by how ornate the receptacle was — he’d been expecting a plant pot! — but said nothing. He was dealing with an expert, after all.

When their artefact was bedded and their experiment commenced, Arven nodded in agreement and immediately withdrew his wand. ”Aguamenti”, he muttered, and watered their potted relic. For a beat, nothing happened. And then…

The faintest green colour began to flood the engravings, like water down a fork of empty riverbeds.