• Nature's Serenity; When you take a long rest, you must spend at least six hours in an inactive, motionless state, rather than sleeping. In this state, you appear inert slightly swaying like a tree during a light breeze, but it doesn’t render you unconscious, and you can see and hear as normal.

• Nature's Protection. Your body has built-in defensive layers, which can be enhanced with armor.
  • You gain a +2 bonus to Armor Class. 
  • While you live, your armor can't be removed from your body against your will as vines from your body grow to encompass the armor overtaking it and fastening it to your body.

• Well of Knowledge; a forest may contain many secrets your soul is attuned to the vast knowledge hidden by time. You gain 2 skill proficiencies and one tool proficiency of your choice.

• Languages. You can speak, read, and write Common and one other language of your choice.

• Ability Score Increase. Your Constitution score increases by 2, and one other ability score of your choice increases by 1.

• Age. A typical Arbor is between two and thirty years old. The maximum lifespan of the Arbor remains a mystery; so far, Arbor have shown no signs of deterioration due to age. Magical aging effects will only empower you granting temporary hp equal to the age you were meant to have been aged to up to 10 temp hp.

• Alignment. Most Arbor take comfort in order and peace, tending toward neutrality. But some have absorbed the morality – or lack thereof – of the Humanoids with which they are descended from

• Size. Your size is Medium Small or Large. To set your height and weight randomly, start with rolling a size modifier.
  • Size modifier = 2d6
  • Height = 5 feet + 10 inches + your size modifier in inches
  • Weight in pounds = 270 + (4 x your size modifier)

• Speed. Your base walking speed is 30 feet. however your buoyant nature prevents you from swimming, your swimming speed is zero.
  
  

• Wooden Resilience. You have remarkable fortitude, represented by the following benefits:
  You have advantage on saving throws against being poisoned, and you have resistance to poison damage.
  You don’t need to eat, but must imbibe water and breath air.
  You don't need to sleep, and magic can't put you to sleep.

The Arbor have evolved to be able to transform their limbs at will into bludgeoning weapons and back at will as a bonus action for 1 min regaining the ability to do so again after a short rest. Weapons such as Clubs, Great clubs, Maces, Light hammers, Maul, Warhammer, and Morningstar . These weapons allow the arbor to temporarily replace their natural unarmed damage dice by the amount of dice equal to the new weapons damage. After 1 minute has passed if they have not chosen to revert the limb the limb will remain in weapon form until a short rest is taken.