the art of forgery PDF: Stands for Portable Document Format which is used mainly for documents. PDF file format preserves fonts, page layout, and also other document information and will be imported into Photoshop for editing. PDF files are platform independent, meaning almost any computer OS can be used when opening them. PDF files aren't used in Photoshop for creating artwork. In Dungeon Siege 3, most player can't open the crypt door up for completing side quest plus they are stuck with the hero crypt part. After they did the conversations and found both rings however can't open the doorway. How to unlock hero crypt door in Dungeon Siege 3? Follow the Dungeon Siege 3 cheats learn to unlock hero crypt door.