Basalt Pillars, Prithiva Topaz, Cecilia and Teachings/Guides/Philosophies of Ballad. All of those are items required to Ascend Albedo and fully upgrade his Talents. Although it's missing about five million Mora, Hundreds of Hilichurl Scrolls, eighteen Tusks of Monoceros Caeli and three Crowns of Insight. Oh, And six Stella Fortuna.