Water Jelly is part of the Advance Team of the 4th corp of Zahard's army sent to the Last Station to carry out one of the Zahard's Orders. Water Jelly and other Rankers of Zahard's Army went to assist Dorian Frog by stopping the train from entering the last station.
Powers and Abilities
Water Jelly was strong enough to stop the Hell Train from accelerating, preventing it from entering the last station.
Water Jelly Shinsu Control Skill - Massive Growth: His body stretches wide enough to cover the train entrance of the last station, ultimately stopping the train.