item|recipes|sources Full Recipe List:
If you see (Restricted) click on (Restricted) to see details. Some items have many recipes not directly related to the main item you're looking up. If you see (subcombines not shown) you will need to click on the item to get its recipes. Items marked with (*) are vendor sold.
Click on the to expand and the to collapse the tree.
To make Opal High Quality Steel Plate (Smithing: Yield 1, trivial 102), Combine the following in a Forge, or Tanaan Forge