“Horcrux hunt is on!” tweeted Twitter user pinksteele83 in preparation for the evening. The Twitter news feeds of Sacramento users were flooded with similar tweets Thursday night as nearly 100 locals participated in the Harry Potter Horcrux Hunt organized by the Downtown Sacramento Partnership and Esquire IMAX Theatre. Participants met at the Downtown Ice Rink at 7th and K streets at 8 p.m. They received seven clues about the location of the horcruxes, the objects that contain a fraction of the evil Lord Voldemort’s soul for which Harry Potter is deemed responsible to destroy in the new film “Harry Potter and the Deathly Hallows: Part 1”. Hunters roamed downtown to find Rowena Ravenclaw’