Create a cinematic anime trailer set in a shattered-sky world of

Create a cinematic anime trailer set in a shattered-sky world of floating islands and glowing shards. Show 17-year-old Akira Ren—spiky red hair, shard necklace—igniting crimson flames; Lyra Veyra—silver hair, glowing daggers—bending gravity with illusions; Kain Draven dueling Akira mid-air with void slash; Zephyr Kael fusing shards into golden armor over collapsing sky.