"Sure. I'll just reiterate my solution: a cadmium bubble to shorten their wait as much as possible. Do you think Adonalsium had a godmetal and if so, do you think it would be the same as the godmetal of all Shards combined, assuming the Vessel survived?"
The digital art package from the kickstarter just came! To celebrate, I'm changing my profile picture to something I'd definitely do if I ever went to Roshar.
To catch them, cover the island in traps Absolutely cover it. To keep them imprisoned, a regular jail cell. If they escape, fake walls and fake hallways and fake floors and fake everything and YouTube.