The Aesthete is a divination card. A set of eight can be exchanged for a random unique item with "Shavronne" in the name. These items include:
Shavronne's Gambit
Shavronne's Pace
Shavronne's Revelation
Shavronne's Wrappings
Drop restrictions:
Gisale, Thought Thief
Prodigy of Darkness
Shavronne of Umbra