Eldara is a powerful dragon who knows that Elysia and Thalorin consider him the main culprit of the cataclysms, but this is not so and he is just a servant of the tempest
Eldara, drawn to the Crystal of Life's immense power to gain immortbility and become new god,
Eldara if Lyra join Eldara, together they defend Elysia and Thalorin and stop tempest.
Eldara thinks If Lyra join Elysia and Thalorin then he stay connected with tempest and need to eliminate Elysia and Thalorin and Lyra