`Have you found anything?' she asked.
`No. Nothing at all. I hoped there'd be something the artefacts could go into to trigger the unlocking, but there's nothing.'
Lucenra frowned. `What were you doing when I came over?'
Pettic frowned as he looked at her.
`You seemed to be feeling something.'
`Oh, just a little flaw in this iron stud,' he replied, shrugging.
Lucenra walked back to the rock she'd been sitting on and thought for a moment. Then she stood up again and almost ran back to Pettic.
`Pettic, it's the gems that are the keys. We've been thinking of the artefacts because that's where the gems are found. Is that 'flaw', as you call it, of a size that would fit the gems?'
`Yes. I think so. You may be onto something, Luce.'
Pettic pulled off the buckler and pressed the sapphire
