Sunbearer duology

Transgender demigod Teo is unexpectedly selected for the Sunbearer Trials, a fierce competition among demigod heroes where the winner sacrifices the loser to Sol, their blood fueling the Sun Stones that protect Reino del Sol. "Only the most powerful and honorable semidióses get chosen. I'm just a Jade. I'm not a real hero." As each new decade begins, the Sun's power must be replenished so that Sol can keep traveling along the sky and keep the evil...