For some odd reason I think it was planned to become paladin ability. It looks to good to be just npc's skill. Look at the light cracks at the starting position of Arator's jump. Looks far too polished.
Also I believe that it is a really fancy and cool looking, awe inspiring ability that fits the Paladin. I guess I'm basing it on sentiment that appeared few expansions back when heroic jump was given to Warriors.
Jump-charge on the other hand is a perfect thing that would make Paladin shine like golden armada!