Is this correct, or is it an error?

-Chapter 22 ended with a Third Exorcism to Sandy and a final line to think, after the Gargoyle (Defender of the Legacy of Darkness) talked about the human Real World and its functioning and offered its gift everything became more difficult. -Achievement chapter 22 exceeded is completed in the decision of chapter 21, George tries to SAVE Kate, if you choose the other option to KILL Kate the achievement don´t appear. -I'll finish it soon to read....