Bone Storm Kalabath

Fey Ancestry. Kalabath has advantage  on saving throws against being charmed and magic can't put her to sleep.

lvl 10 Rage. Kalabath can use the Rage skill from a 10th lvl barbarian.

Rage. in battle, you fight with primal ferocity. On Your Turn, you can enter a rage as a bonus action.
While raging, you gain the following benefits if you aren't wearing heavy armor:
• You have advantage on strength checks and strength saving throws.
• When you make a melee weapon attack using strength, you gain a +3 bonus to the damage roll.
• You have resistance to bludgeoning, piercing, and slashing damage.
Your rage lasts for 1 minute. It ends early if you are knocked unconscious or if your turn ends and you haven't attacked a hostile creature since your last turn or taken damage since then. You can also end your rage on your turn as a bonus action.
Once you have raged 4 times, you must finish a Long Rest before you can rage again.

Warmonger's curse. Kalabath must obey the orders of a master only in regards to fighting regardless of her alignment and stay by its side at all times to do so. When her HP reaches 0, she dies without the chance for death saving throws and cannot be revived by magical means. Her body mummifies instantly and her weapons fade away. after 1d4 amount of days, she can be resurrected by reciting the magical incantation and the person to do so becomes her new master, also, while reviving she gains her equipment back. If her body was destroyed beyond repair, she will simply materialize in an unoccupied space 5ft away from her new master.

Multiattack. Kalabath can do two +1Greatsword attacks.

+1 Greatsword. Melee Weapon Attack: +9 to hit, reach #5ft., 1 target. Hit: 14 (2d6 + 6) slashing damage. 

Longbow. RangedWeapon Attack: +6 to hit, range 150/600 ft., 1 target. Hit: 7 (1d8 + 2) piercing damage.

Soul Shock. As a bonus action that can only be tacken after succesfully hitting an enemy with  the +1 Gdreatsword attack, Kalabath can send necrotic damage directly to the enemy's soul, dealing half of the total damage from her attack action. After activating this ability, she must make a free wisdom saving throw at the beginning of her next turn and every subsequent turn thereafter until she succeeds the dc of 16 to see if she recovers this ability. This ability deals no damage to creatures with no soul such as constructs. This ability can be used while raging.