While the Ostron standing seems mostly obsolete, you're going to need Rank 4 gem blueprints from Old Man Suumbaat to build amps and other things (Rank 5, he's basically just cosmetics.)
While the Ostron standing seems mostly obsolete, you're going to need Rank 4 gem blueprints from Old Man Suumbaat to build amps and other things (Rank 5, he's basically just cosmetics.)