Tiana's Trust Master reward is the Disastrous Formula.
5★ - No. 8208: A girl dedicated to bringing happiness to the people through her scientific research. She travels around, gathering materials, while sharing the fruits of her labors with those she encounters along the way. She is particularly interested in physically altering various substances, which she experiments with eagerly, but her carelessness often leads to explosive mistakes.6★ - No. 8209: A scientist travelling the world, spreading happiness wherever she goes. The large bag she carries is a treasure chest full of various colored elixirs and rare materials gathered on her journeys. The sight of her, donning a flowing red robe with shimmering flask in hand, brings much excitement to the children, and it is said happiness will befall whoever lays eyes upon her.7★ - No. 8210: A researcher on a mission to bring happiness to the people. A bit of a scatterbrain, but always positive, she is now pouring herself into her experiments to create a "tangible star", inspired by the sight of a young child reaching up towards the night sky. She refuses to give up until she succeeds in making her bright wish a reality.Entries for different versions of Tiana.
Tiana's stats at her highest levels are as follows (with no passive abilities taken into account), along with the maximum amount of stat points that can be increased through pot-enhancements:
Tiana can equip the following weapons: Dagger, Rod, Harp, Throwing.
She can equip the following armor: Hat, Helm, Clothes, Light Armor, Robe.
She can equip accessories.