Your cold blooded body makes you resistant to fire and heat, but vulnerable to the cold.

Your lungs are adapted to life under and above water, you can hold your breath for 1 + double your con modifier in minutes.

Your mind is adapted to be resistant to mental effects and mind tricks. You gain advantage against Wisdom saves, against spells and abilities casted to specifically alter your memory, charm you or otherwise sway your opinion.

Falleen skin changes colors depending the individuals emotions. This makes it impossible to hide things such as anger and sadness. Your skin color changes depending on your emotions, causing you to be unable to hide your emotions.

Instead of choosing an ability score improvement or a feet upon leveling up you can choose to upgrade this Racial ability to Emotional Camouflage. Emotional Camouflage makes it so you can control this ability, and change your color as a Bonus Action.

Falleen have evolved to have a mild pheromone that they can use to beguile someone of the opposite gender, although after the pheromones' wear off the target is able to deduce that they were charmed by you. Choose a humanoid target of the opposite gender within 15 feet of you. That target must make a Wisdom saving throw (DC = 8 + Proficiency bonus + CHA modifier) the target has Advantage if you or the target are in combat. If they fail they are charmed for 30 minutes, or until a hostile action is taken against it by any source Range 15 feet.

As a Falleen you get +2 Cha and either +1 Wis or +1 Dex.

30 Feet

Falleen are mediums sized creatures, that stand normally 5 foot 3 to 6 feet tall and weigh generally 100 to 150 lbs.

Fallen that leave their home always know Basic, and their native language is Falleen.

Falleen can live up to a long time, if their politics and gang life does not get in the way of their long life span. The Falleen can generally life up to 250 years.