race features:
Devilish appearance
You can choose what part of your appearance changes due to the sins affect, whether it is a horn or two some discoloration of your skin. Thus becoming more devilish in appearance. You may gain a a tail or different eye colours or small wings (do no allows you to fly). You also always get sharp teeth.
Devil's Bite
With your enhanced teeth coming from the sin, you are able to bite your opponent. This does 2d6 piercing damage. Requires an action to use.
Sins:
Wrath -
With the sin of Wrath you gain the ability to barbarian rage equal to 1 + your con mod with the minnimum being 1, these return on a long rest. Whenever raging your attacks do an additional 1d6 of fire damage. Gain a plus two to strength and proficieny in intimidation.
Greed -
With the sin of Greed you gain the ability use Snatch. You can attempt to steal an item that you can see within 30 feet. The creature must succeed on a Dexterity saving throw (DC 8 + Slight of hand). However it must be something that you can lift, and your hands need to be free too. You can use this an equal amount of times to 1 + your Con mod with the minimum being 1, these return on a long rest. Gain a plus two to Dexterity and proficiency in sleight of hand.
Pride -
With the sin of Pride you gain the ability of Ego Boost. This allows you to increase your AC by 2 and gain temporary hit points equal to your Level + your Con mod, lasting until the end of combat. You can use this an equal amount of times to 1 + your Con mod with the minimum being 1, these return on a long rest. Gain a plus two to Constitution and proficiency in Performance
Envy -
With the sin of Envy you gain the ability of Copy. This allows you to copy any action made within the last round of combat. You still must make the appropriate role to perform the action, using your stats instead. This can be used equal amount of times to 1 + your Con mod with a minimum being 1, these return on a long rest. Gain a plus two to Wisdom and proficiency in Perception
Lust -
With the sin of Lust you gain the ability Allure. This allows you to charm humanoids through eye contact (Applies affect of charmed). This lasts for 1 hour, or until broken. They must make a Wisdom saving throw (DC of 8 + Persuasion). This can be used an equal amount of times to 1 + your Con mod with a minimum being 1, these return on a long rest. Gain plus two to charisma and proficiency in persuasion.
Sloth -
With the sin of Sloth, you gain the ability Lethargic Aura. This allows you to project an aura of lethargy in a 10-foot radius around you, causing creatures within the area (excluding you) to make a Wisdom saving throw (DC 8 + insight) or have their speed halved and take a -2 penalty on Dexterity saving throws for 1 minute. This can be used an equal amount of times to 1 + your Con mod with the minimum being 1, these return on a long rest. Gain a +2 to Wisdom and proficiency in Insight
Gluttony -
With the sin of Gluttony, you gain the ability Devour. This allows you to consume any organic material, gaining temporary hit points equal to your Survival. This can be done an equal amount of times to 1 + your Con mod with the minimum being 1, these return on a long rest. Additionally, you gain advantage on saving throws against poison and resistance to poison damage. Gain a +2 to Constitution.