Complex sentence: He would disappear from WWF television until they had fully submerged into the Attitude Era, where he returned as a rich and arrogant heir to a fortune (similar to Ted DiBiase's character).
Split into simpler sentences: He would disappear from WWF television until they had fully submerged into the Attitude Era. His gimmick was that of a rich and arrogant heir to a fortune (similar to Ted DiBiase's character).