Complex sentence: In the morning they encounter Imoen, who had followed in secret after reading a note about the journey on Gorion's desk; the protagonist finds this and learns not much except that Gorion had known his ward was in danger.
Split into simpler sentences: In the morning, the protagonist encounters Imoen, who had followed in secret after reading a note about the journey on Gorion's desk. The protagonist finds this and learns not much except that Gorion had known that his ward was in danger.