Go to Ground

You gain proficiency in Nature.

Your trips and tribulations bond you with the environment. When you are prone , attacks against you don’t have advantage . (A character can intentionally fall prone on their turn without spending any actions or movement, but cannot intentionally fall prone when it is not their turn.)

Additionally, when you become prone you can gain a link to the normally quiescent spirits of nature. When you stand up, choose yourself or a creature you are aware of. That creature gains resistance to all damage and advantage on all saving throws until the start of your next turn. 

This might take the form of a tree branch blocking an attack, stones shifting under an ally’s feet to nudge him to safety, a tendril of water harrying an enemy, or even a gust of wind screaming a distraction. The link then ends. A given creature cannot benefit from this protection more than once per encounter.

When you fail a death saving throw in a natural area, you can gain the benefits of commune with nature when you regain consciousness. After you use this ability you cannot use it again until you complete a long rest.