1. Feeding Soris Immaneus her chaos magic will suffice, though Wanda may choose to give other offerings if she wants. This could also come up in the future if you decide you want Wanda to seek something more or unique from her new patron beyond just binding her chaos magic with High Magic.

2. You can give us a few examples of the type of magic or powers you're interested in Wanda receiving based on the god's theme of dark blessings. If there's also a particular goal you have for her to accomplish during Part 2, you can also let us know. We can workshop the details with you from there and any limits that might need to apply.