Boon of the divine healer

Title gained : The Oaken Three
You are the loyal follower of Silvanus and his daughter Mielikki. Again and again, you faced unimaginable horrors and persists through the pain. For this, Mielikki grants you the divine ability to be the purest creature that would help her heal the nature itself. You are the epitome of healing and your life are now dedicated to heal the injury of nature, so that they may return to the normal cycle of life and death, as intended by Silvanus.

Form of the Divine Beast
You took form of Mielikki's favored divine beast, the unicorn. You grow a silvery unicorn horn and tail, your form emits dim light in 10ft radius. You can dismiss this effect with a bonus action.
By expending a Wildshape, you can now transform into a Unicorn.

The Great Tree
You took the divine blessing from the Oaken's Father and now able to stand guard like the great tree. You gained immunity to Charmed, Blinded, Prone and Stunned condition.

Supreme Healer
You can cast Beacon of Hope without requiring spell slot, spell component and concentration. You double the amount of hit points restored from any healing. Additionally, you ignore effects restrictions for healing spells that usually targets undead or constructs.

Greater Spirit Totem
When you call forth the nature spirit, it summoned along the creature that represent by the Totem and appears in an unoccupied space within 30ft of you. The Bear spirit summoned a Brown Bear, the Hawk spirit summoned a Giant Eagle and the Unicorn spirit summoned a Unicorn. The creature is friendly towards you and your allies, and will act after your turn in combat. If no command are issued to the creature, it will stay with you and use the dodge action. You can communicate with the creature telepathically within 1 mile radius. While mounted on the creature, you can make any spell that targets you, also targets the creature.

The creature disappears when it drops to 0 hit point or when you dismiss it as an action. You can only benefit from one spirit creature at a time. Additionally, you can now uses the Spirit Totem feature equal to your proficiency bonus.

Legendary action
The divine healer can take 3 legendary actions, choosing from the options below. Only one legendary action can be used at a time and must be at the end of another creature's turn. The divine healer regains spent legendary actions at the start of his turn. When you are wildshaped into unicorn, you replace its legendary actions with this one.

1. Purifying nature : You can end one condition affecting one creature of your choice within 60ft radius.
2. Healing aura (Cost 2 Actions) : Creature of your choice within 60ft radius of you regains 3d8 hit points
3. You can move up to your maximum movement speed without provoking opportunity attacks.