The 11th Executor of the Fatui is an hydro character and before unleashing his might on the enemy you will first need to upgrade the character a little. Here is the complete list of the materials needed for Tartaglia.
Tartaglia Ascension Materials
Tartaglia Talents Upgrade Materials List
If you're looking to upgrade your Rosaria here is the complete list of the materials you'll have to farm to Ascend the Cryo character and her talents.
