Are these sentences correctly worded?

When Jeggred and Danifae returned to the ship of chaos, Pharaun used his newfound connection with the vessel to guide the party to the Abyss, with the help of Aliisza the main reason for their success. The ship was destroyed upon the group’s arrival, but they still journeyed to Lolth’s domain, only to find it in ruins and the Spider Queen gone.