In this deck, this card is called “The Wisest” (printed on the actual card), while in the book, it is called “The Wise One.”
The creator (who many of you know is Riccardo Minetti from Lo Scarabeo) says that this card is of a venerable and wise creature, the source of infinite, ancient, and wonderful memories, of experience and advice. He has learnt great things over time, and has fathomed the abyss of knowledge at length in order to learn.
He also says that in this deck, the Wise One is the consort to the Seer (the High Priestess) and that they are the spiritual mother and father. The Seer is a custodian of wisdom and the Wise one answers and guides.
To me, it sounds