How do you rank up Myrrh in Fire Emblem the Sacred Stones?

Ah, ranking up Myrrh in Fire Emblem: The Sacred Stones is a delightful journey. Simply use her in battles to earn experience points and level her up. Remember to keep her safe and let her engage in combat to grow stronger and reach new heights. Just like painting a happy little tree, with patience and practice, Myrrh will blossom into a powerful ally on your team.