Here’s my own stab at an opening crawl. I tried to get the same info across, but with a few tweaks:
A spark of hope! Waves of rebellion have engulfed the First Order.
Supreme Leader KYLO REN searches for the source of his master’s
dark power, hoping to bend the galaxy to his will.
As Resistance agents gain information from a secret First Order
spy, General LEIA ORGANA trains her apprentice REY in the ways
of the Force, with the help of ancient Jedi texts.
On the volcanic planet Mustafar, Kylo rages in search of an artifact
owned by his grandfather, which legend says will lead him to a secret
world in the Unknown Regions, home to a familiar dark influence…