Merchant in Necrohol of Nabudis

[Shiva_]

Try NOW because he stops selling them permanently a bit after Ridorana

I went there, and the little rascal said no, and only sold the usual gear. So erm, I just fought that boss at the entrance to the Pharos tower, will that merchant still sell his ethers?

He sells them all throughout the game even after you finish the tower. It's still in his "items" menu. On the times I left while I was fighting the final mark, I was making trips back over there to buy more.

The type of stuff he sells depends on what part of the game you're on. He starts out selling just ethers. Then, as you progress thru the game, he sells other types of stuff along with them.