You can infuse a being with madness which ends after 2d6 turns, including the turns of others. during this time they will savagely attack the closest being. they gain advantage on attack rolls for this time and cannot differentiate between friend and foe 

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

Eldrick mature at the same rate as humans but live a few years longer.

Eldrick might not have an innate tendency toward evil, but many of them end up there. Evil or not, an independent nature inclines many Eldrick toward a chaotic alignment.

Eldrick are about the same size as humans, albeit a little thinner. Your size is Medium.

Your base walking speed is 35 feet.

Thanks to your unknowable heritage, you have superior vision in dark and dim conditions. You can see in dim light within 60 feet of you as if it were bright light, and in darkness as if it were dim light. You can’t discern color in darkness, only shades of gray.

You have resistance to necrotic damage and are immune to psychic damage.

You know the Dissonant Whispers spell. When you reach 3rd level, you can cast the Arms of Hadar spell as a 2nd-level spell once with this trait and regain the ability to do so when you finish a long rest. When you reach 5th level, you can cast the black tentacles spell once with this trait and regain the ability to do so when you finish a long rest. Intelligence is your spellcasting ability for these spells.

You can speak, read, and write Common and Abyssal.