Alphenstock

A very long staff with a reach of 15 feet. It has a small blade on both ends of it. While holding the weapon, you may ignore difficult terrain. Alphenstocks deal 1d4 piercing damage. Because of its unusual length, you have a disadvantage on attack rolls made with it. Whenever you hit a target with the alphenstock, they are forced out of its range. Example, if you hit a target that was 5 feet away from you, they would be forced back 10 feet. 

Notes: Melee Weapon Attack: Piercing