Once you've completed the Hard content, you're ready to unlock Ultimate Descendants. While most Ultimate Descendants are harder to unlock than regular ones, Ultimate Viessa is one of the hardest.

Here's how to unlock Ultimate Viessa in The First Descendant.

To unlock Ultimate Viessa in The First Descendant, you will need the following items:

Here's how to get all the materials needed to research these items. We recommend using Sharen for her stealth ability, which allows you to get twice as many Amorphous Material Patters per run.