Took another stab at it to lower the word count and get it more concise?

‘The Resistance rises! Luke Skywalker’s sacrifice at the battle of Crait has reignited the spark of hope across the galaxy and hundreds more freedom fighters have joined in the fight against the tyranical First Order.

Rey, the last great hope for a Jedi resurgence, continues her training under the guidance of Leia Organa, but strives to commune with Jedi from the past who’s wisdom may help her in the final fight against the First Order.

Meanwhile, Supreme Leader KYLO REN tirelessly searches the galaxy for an ancient artefact that could lead him to a mysterious new presence that promises to help him destroy his enemies once and for all…’

Or:

Sensing the increasing threat, Supreme Leader KYLO REN leads a mission to MUSTAFAR in search of an ancient artefact that can guide him to a phantom presence in the force that promises to help him crush his enemies once and for all…’

Or:

Meanwhile, Supreme Leader KYLO REN leads an assault on MUSTAFAR in search of an artefact that will guide him to the source of sinister presence that offers a dark alliance, one that will help him crush his enemies once and for all…’