Rory's anguish fueled her song, summoning lunar forces.
1. *Kael's Transformation*: Dark magic consumed Kael, revealing a monstrous true form.
2. *Rory's Ascension*: Lunar energy elevated Rory to her full siren potential.
3. *Elijah's Legacy*: Rory honored Elijah's sacrifice, vowing to protect supernatural harmony.
The Final Battle
Rory's lunar song clashed with Kael's darkness.
1. *Oceanic Fury*: Sea creatures rallied behind Rory.
2. *Shadow Weavers' Aid*: Aster and other Shadow Weavers reinforced Rory.
3. *Kael's Downfall*: Rory's song shattered Kael's dark magic.
Aftermath
1. *Supernatural Balance*: Harmony restored.
2. *Rory's Growth*: Confident Lunar Siren.
3. *Elijah's Memory*: Rory vowed to honor his legacy.
Epilogue
Rory stood on the beach, moonlight illuminating her path.
"Your song will forever echo, Elijah," she whispered.