Blade Warden

 All rangers favor certain terrain, but some terrain favors the Blade Warden. As a Blade Warden, you make a deeper connection with areas of the wilderness other rangers could only dream about. By risking life and limb again and again for the wilderness and the peoples in it, you have gained a companion in the terrain itself.

Natural Reflexes

At 3rd level the wilderness links with you and sharpens your senses and reflexes. You become proficient in both the Nature and Survival skills unless you already are, in which case you gain mastery of these skills. In addition, while you are in your favored terrain and you take the attack action, you can immediately use your bonus action to attack again, even if you aren't wielding two weapons, or cast the druid cantrip Thorn Whip. (Note: This cantrip does not level up with you unless you have taken the appropriate levels in druid for it to do so.)

Verdant Blades

At 7th level,  as a bonus action you slash or stab your weapon into the ground allowing it to get coated in a natural poison. When you attack a creature with this poisoned weapon it must succeed on a constitution saving throw equal to 10 plus you wisdom modifier. On a failed save the creature takes an extra 2d4 plus you wisdom modifier in addition to your weapons normal damage. You can use this feature a number of times equal to half your proficiency bonus rounded down between short rests.

Blade Wardens Mark

Beginning at 11th level, your senses are momentarily heightened as you begin to see, hear ,smell and feel through the surrounding countryside. When you use your Primeval Awareness feature and detect one of the specified creatures, you can as, a bonus action, mark that creature. When you mark a creature this way you immediately know which way it is and how far away it is. If you so choose, you can concentrate on finding this creature, as if you were concentrating on a spell, for up to 8 hours at which point the mark fades. If you attack a creature that is marked this way, you have advantage on the first attack roll you make against it and on a hit you deal an extra 4d6 damage of your weapons type to it at which point the mark fades. You can use this feature once every short or long rest.

Symbiotic Environment

At 15th level, the ground beneath your feet surges with natural energy and flows into you lending you its strength. When you are in your favored terrain you regain the maximum number of Hit Points possible from any Healing, in addition, you also can complete a long rest in half the time normally required and you suffer exhaustion half as quickly.