After burying the remains of Mad-Eye Moody, Harry "marked the spot by gouging a small cross in the bark with his wand." Now, if they were true Wiccans, wouldn’t he have gouged a pentagram? When Harry finally has the chance to face Voldemort (Tom Riddle) and possibly kill him, Harry pauses and offers Voldemort a chance, saying, "Show some remorse." ... Giving a person a chance to redeem themselves, to begin to realise your own sins, by showing remorse, shows a Christian theme to the story.