Race Name:
The argument can be made if Sezka is still human today however at birth he was so thats what he is classified as.
being around the magic he weaves and studies for ao long has given his body inhuman looks such as deathly pale skin thats stain black in places by eldlich magic.
Magic markings/ Tattoos cover his body from head to toe.
he covers up most of hid body in layers of clothes as if hiding from something. his body lacks any hair of anyhind even lacking eyelashes.

Physical Apperance

• Ability Score:
  All your ability scores increase by 1

• Lifespan:
  Humans reach adulthood in their late teens and live less than a century

• Alignment:
  Humans tend toward no particular alignment. The best and the worst are found among them

• Size:
  Humans vary widely in height and build, from barely 5 feet to well over 6 feet tall. Regardless of your position in that range, your size is Medium

• Speed:
  Your base walking speed is 30 feet.

• Languages:
  You can speak, read, and write Common and one extra language of your choice. Humans typically learn the languages of other peoples they deal with, including obscure dialects. They are fond of sprinkling their speech with words borrowed from other tongues: Orc curses, Elvish musical expressions, Dwarvish military phrases, and so on.

• Feat: Eldritch Adept Source: Tasha's Cauldron of Everything