Final answer:
Sevro's nickname is c) Goblin, which reflects his crafty and sneaky nature in the 'Red Rising' series by Pierce Brown. He is a member of the Howlers, and his nickname suits his character traits.
Step-by-step explanation:
The question asks about the nickname of a character named Sevro from a literary work. The main answer to the question is that Sevro's nickname is c) Goblin. Sevro is a character from the 'Red Rising' series by Pierce Brown. In the series, he's known for his sneaky and tricky nature, which earns him this particular nickname. He's a member of the Howlers, and his nickname is fitting given his cunning, craftiness, and unique way of problem-solving, qualities often associated with the mythical creature known as a goblin in folklore.
An explanation of Sevro's role in the 'Red Rising' series also helps to understand why the character is well-suited to this nickname. Despite the harshness the nickname might suggest, Sevro is a beloved character among fans for his loyalty and the levity he brings to the otherwise intense narrative.