Complex sentence: She admits to Trent that Arcane Publishing's claim was indeed a fraudulent stunt to promote Cane's book, but the time distortion and exact replica of Hobb's End were never part of the plan.
Split into simpler sentences: She admits to Trent that Arcane Publishing's claim was indeed a fraud and a stunt to promote Cane's book. However, the unusual events and exact replica of Hobb's End were never part of the plan.