Your Dexterity score increases by 1, and your Wisdom or Intelligence score increases by 2.

Erchian reach maturity by age 32. and live upto 400 but some have managed to live for thousands of years.

Erchian are over a wide spectrum with morality, most Erchian who try to remember there old life and hang onto it tend to reflect that matching how they used to be, but Erchian that embrase the beast tend to be wild leaning towards chaotic alignments.

Erchian are about 5-6 feet tall your size is medium, if born or if corrupted are around there previous size before becoming a Erchian. A naturally born Erchian is around 100-140 lbs due to there slender build most of there weight coming from there bones and organs, a Erchian formed through corruption may weigh more or less depending on there previous race.

Your base walking speed is 30 feet.

As a bonus action and while you have both hands free you can go onto all fours becoming quadrupedal gaining a extra 10 ft movement(walking) speed (total 40 ft), you cannot weild normal weapons like this and while wearing heavy armor you roll all dexterity based rolls at disadvantage.

You can go back onto two legs as a bonus action losing all the features listed.

Your fanged maw and claws are natural weapons, which you can use to make unarmed strikes. If you hit with them, you deal slashing damage equal to 1d4 + your Strength modifier, instead of the bludgeoning damage normal for an unarmed strike.

You have advantage on wisdom(Perception) checks that rely on hearing or smell

You can speak, read, and write Common, and your choice of Abyssal or Infernal.

You are blind lacking eyes entirely, instead relying on a 60 ft blindsight(blind beyond this) to perceive the world.

This makes you immune to the status effect blinded, however if you are deafened your blindsight is reduce to 10 ft until you are no longer deafened.

Your tail has a large fanged mouth at the end of it allowing you to preform a number of tasks with it, the mouth can be used to do the following

• It can be used to make your natural or unarmed weapon attacks having a increased range of 10 ft.
• It can be used to preform basic tasks within 10 ft of you, such as interacting with a basic object, opening something, or anything that it could reasonably accomplish.
• It can eat, drink, and breath for you.
• It can store up to a small size category object within 5 ft of itself using a action(if its a creature, the creature must be willing or unconscious, and while stored the creature is restrained and can break out by making a contested grapple against you, on a success falling out into a space within 5 ft of you being your choice. The tail while open allows the creature to breath, if the tail is closed the creature has 5 minutes worth of air), while a object is stored in this way the tail is slightly bloated and the mouth cannot preform another feature listed above without using another action to regurgitate the item to a space within 5 ft of you.
• While the mouth is closed, your tail looks as if it had nothing wrong with it other than being a tail, the mouth being almost undetectable, a wisdom(Perception) check against your charisma(Deception) check can be used to notice the mouth.