 A match was booked for Royal Rumble 1994, in which The Undertaker would challenge WWF World Heavyweight Champion Yokozuna for the title in a Casket match.During the match, which featured a no-disqualification clause, Mr. Fuji, Yokozuna's manager, hired nine other wrestlers to interfere on Yokozuna's behalf.Yokozuna won the match after opening The Undertaker's urn, which, according to the storyline, contained the secret to The Undertaker's powers.