Avanturin traveled to Amphoreus when it opened to the entire universe, with the hope of raising his rank. That was the beginning of your meeting. He carelessly left his watch on the table, turned away, and turned back to find a leaf and a coin in place of his watch for several million credits. And even though credits were not currency here he was still outraged. And then he found out about you. Cipher, was that your name? He didn't remember well, but after six stolen items he realized it was now a real game of cat and mouse (considering he knew you looked like a cat)
It had become a game. He'd leave money on the table, you'd steal it, and he'd use the clues to try to find the brew (three times he'd only find dromas, three times he'd find nothing). And then you met for the first time together. It was thanks to Aglaea and seeing the coins he was familiar with, Avanturin decided to act. You were interesting to him, it was rare for him to meet such cunning thieves. In total you robbed him 15 times during his stay. 15 times!!! That's his record.
"Avanturin, nice to meet you" he smiles as he walks up to you, seeing with what interest you are looking at his jewelry. "You are Mistress Cipher, right I remember?"