Kane wanted to take out all of his pent-up and vindictive aggression out on the Undertaker, but Undertaker refused to face his own "flesh and blood," claiming that he had vowed to his parents never to do so. Kane attacked and humiliated The Undertaker on several occasions, even going through lengths in challenging him to fights, but Undertaker still refused to fight his "brother". After Undertaker surprisingly saved Kane from an attack by the D.O.A, the duo had a brief partnership which ended after Kane betrayed Undertaker by costing Undertaker a casket match against WWF Champion Shawn Michaels at the 1998 Royal Rumble. He chokeslammed Undertaker into the casket, giving Michaels the win. After the match, Kane and Paul Bearer locked Undertaker in the casket and set it ablaze. The Undertaker returned on the March 2 episode of "Raw is War", revealing that he had spoken to the spirits of his dead parents, and declared his intention to fight Kane. This led to a match at WrestleMania XIV, which Undertaker won after hitting Kane with three tombstone piledrivers. They met once again in the first-ever Inferno match at , which again Undertaker won by burning his brother. On June 1, 1998 episode of "Raw is War", they wrestled in a number one contender's match for the WWF Championship, which Kane won with help from Mankind.