Sage

The Sage of Linphea is a wise being that resides in the hidden cave of the Water Stairway.

Season 3
Miele takes the Winx to the Sage of Linphea who tells them the story of the Black Willow and informs them that only the Willow's tears can unlink Faragonda from the oak tree she's imprisoned in. The Winx go to collect the tears to save Faragonda.