A special training with the aim of fighting dragons has increased your ability to fight creatures while falling on them

* Gain+20 ft to jump height
* Can jump as a bonus action
* If you fall on an enemy while making a weapon attack, the damage is increased by 2d6 per 30ft that you've fallen.
* You don't take fall damage if the attack succeeds. On a failed attack you land on the ground next to them and take quarter falling damage, half damage on a critical fail.