Delicate on the water, lake your home -- refers to Midas's swan wings, and swans being delicate
Sturdy on field, hardened like a rock -- you got it
Gems like the sun, such different textures -- golden eyes, golden gem that operates his collar (different textures)
Will you guess what I seek, ye wise one? -- Old English, yes, + seemingly having a lot of experience making him wise
Plot Thread
*You may do anything you wish with Silk excluding dismemberment and death.