These were the requirements to get the horseshoes. If you are absolutely sure you've got all 3 grand prizes, please reach out to Support.
- Complete the main goals and win Queen Winifred in the Halloween Community event (10/1-10/14)
- Complete all milestone goals in the Nightmare LB, and win the Underworld Steed (available at 2300 LB points) (10/15-10/21)
- Complete the main goals and choose your prize in the Til Death Do Us Part event (10/22-11/4) (complete goal 10 which rewards the 3rd bundle)