Hard Difficulty
To unlock this first secret, head to the forest stage and locate the torch floating on a platform. Grab the Green Jewel from the torch (which enables this extra difficulty) and head to the end of the game. After beating the last boss, save, then start anew. The Hard Difficulty awaits at the Main menu. Carrie's Alternate Guise
To unlock this outfit, scale to the top of the Tower of Sorcery and stop to look out the window (just before the exit). Outside a torch awaits. Use Holy Water to discern the invisible path that leads to the torch and the Purple Jewel (which enables this costume). Now, finish the game and the new outfit awaits!!! Reinhardt's Alternate Guise
To snag this guise, head to the Tower of Execution and ascend to the third level. Slash one of the nearby iron maidens to reveal the Execution Key. Bring it back down to the second level and pass through the iron gate. Walk into the hallway and a floating platform awaits. Smash the iron maiden atop this platform to snag the Purple Jewel. Now, finish the game to unlock the costume.