Trendy Entertainment has released the second developer diary for its upcoming tower defense action-RPG Dungeon Defenders. You will find the clip above, which focuses on the game’s “build phase”, that you will use to set up defenses and plan out your strategy against the coming attack. For a complete overview of Dungeon Defenders‘ gameplay, check out the first dev diary which was released just last week. Stay tuned for more coverage of Dungeon Defenders which is set to rock XBLA on October 19th here at XBLAFans.