...A lot of things. There was people turning into ghosts and goblins and such, and then the whole village became like a giant haunted house. Then there was a maze in the center of town and the sky turned to night. Then all the water turned to blood and there was a big maze in the center of the village. Some people turned into vampires and started attacking other people...

[...And Misa died, but he neglects to mention a personal detail like that]