The sister of the Church of Favonius is a Cryo character and before unleashing her might on the enemy you will first need to upgrade the character a little. Here is the complete list of the materials needed for Rosaria.
Rosaria Ascension Materials
Rosaria Talents Upgrade Materials List
If you're looking to upgrade your Yoimiya here is the complete list of the materials you'll have to farm to Ascend the character and her talents.
