Hey all! I have a few questions, I'm really hoping I can find an answer here, as I've searched and searched, and can't find a proper answer. I apologize if this has been answered before, but I have a Free Company who's itching to be future proof for 3.2+ content .

Right now my Free Company is using one airship for endgame content, and it's the Mostly Invincible Build (Hull: Invincible II, Rig: Enterprise, Fore and Aftcastle: Invincible II), and we have still not gotten Hard Mode Diadem. What's even worse is that we've been stuck on Sector 20 for almost a month now .-.;. My question is: should we invest in another airship with higher Surveillance, or is it all RNG? Also, can I survey multiple sectors (19-20 mainly) to increase my chances of unlocking Diadem HM, while also retaining the chance of unlocking Sector 21? At this point we believe there's some voodoo magic that can help us, so we're only taking it to sector 20 in hopes of unlocking 21 <_<. Thanks to anyone with a proper response! Much love, and amazing guide!