Path of Graviturgy

Barbarians have mostly been tied to primal energies. Whether it be bestial, spiritual, savage, and even elemental, barbarians have usually found strength in the old ways. Those that follow the Path of Graviturgy find power in the binding force of gravity. Using either magical or psionic source, Path of Graviturgy barbarians gain a level of control over the forces that humbles all, as even birds must eventually touch the ground. For what goes up must come down, and that applies to their enemies as much as it does an apple. Path of Graviturgy  Barbarians make either immoveable objects or unstoppable forces in combat that are devastating to meet.

While their control over gravity is not as pronounced as some wizards, their ability to control their own density can make them terrifying and versatile beings. There is not many Gravitugist Barbarians due to its rather recent development. In some far away lands some soldiers are given magical tattoos that when utilized gives them a degree of control over gravity. While in other lands, a person's rage can awaken psionic powers that allow them to control that which makes all fall. Some individuals have even gained these abilities through an experience of the far realm. Regardless of the origin, they are great allies and troublesome enemies. 

Density Shift

When you enter rage you can enter a heavy stance or a light stance. While you are raging you can use a bonus action to change to the other stance or end that stance's effects. 

Heavy Stance. While raging your speed decreases by 10 feet, you deal an additional 1d4 damage when you hit with a melee weapon attack, and your weight doubles. 

Light Stance. While raging your speed increases by 10 feet, you add your proficiency modifier to dexterity saving throws and ability checks if do not already, you do not gain advantage on strength saving throws and ability checks from your rage, your AC increases by 1, and your weight is halved.

Freedom from Gravity

At the end of a long rest, you can touch 1 creature and grant them one of the following benefits. This benefit lasts until the next long rest. 

• Weight Loss. The creature's long jump distance is doubled and their high jump distance is tripled. Their speed increases by 10 feet. Their AC increases by 1 if they are wearing heavy armor. Any falling damage they receive is halved. 
• Weight Gain. The creature has advantage on any ability check or saving throw to avoid being knocked prone. They also subtract 3 from any nonmagical bludgeoning, slashing, or piercing damage they receive. 

Momentary Singularity

As a bonus action you can make yourself a source of gravity for an instant. All creatures in a 30 foot radius around you must make a strength saving throw (DC= 10 + Proficiency bonus + Strength Modifier). Those that fail are pulled up to 20 feet closer to you and take 1d10 + your strength modifier in damage. You can use this feature a number of times equal to your proficiency bonus, and you regain all expended uses when you finish a long rest. 

Liberty from the Tyranny of Gravity

You have gain true freedom from the all humbling power of gravity. Granting these benefits.

• You gain a flying speed equal to your walking speed and can hover. 
• Once per round while raging, you can add 1 additional damage dice for any bludgeoning, slashing, or piercing damage you inflict with a melee weapon attack. 
• You ignore resistance to bludgeoning, slashing, or piercing damage made with melee weapon attacks.