Everlasting Enchantment (Relics of Merlin #4) by Kathryne Kennedy

Kathryne Kennedy's newest installment in a beloved series sparkles with sorcery and seduction...

Sir Gareth Solimere, knight of King Arthur's Round Table, has been trapped inside Merlin's relic for centuries, cursed until he finds his one true love. When he finally finds her in the unexpected form of a beautiful were-panther named Millicent Pantere, he has to use all of his charms to try to make her love him in return. But if he manages this feat, will he finally be free to live a normal life?