The character Alex Raven was the first female immortal introduced as a possible prospective lead role in a spin-off series that later became Highlander: The Raven (1998) where the lead role ended up going to Amanda played by Elizabeth Gracen
When the spin-off aired, the main character was Amanda Darieux.
Her mentor had a backstory that had something to do with the Ravens.
Here the main character is named Alex Raven and was considered for the lead in the spin-off.
It is a mystery why the series was named the Raven.