Complex sentence: Upon arrival, they find Tashir, who has just become a Herald, with his Companion, Leshya (nicknamed Ghost by Yfandes), being beaten by another Herald, Lores, who believes that Tashir is actually an evil sorcerer who has murdered his own family.
Split into simpler sentences: Upon arrival, they find Tashir, who has just become a Herald, with his Companion, Leshya (nicknamed Ghost by Yfandes). He believes that Tashir is actually an evil sorcerer who has murdered his own family.