No, you don't because it is not a compound sentence.
Answer:
for me both so a hybrid
their unkillable and live forever
as for a disadvantage I would say they can be killed by white oak stake and they watch everyone who they love die around them because they live forever
Explanation:
Answer: Formal
This excerpt is an example of formal writing. There are several ways in which we can identify this characteristic. The excerpt discusses an academic topic, which is a literary analysis of Emerson's writing. Moreover, the sample uses formal words, such as "stress" and "pre-eminent."
Maybe that guys will come into your house, (or life) and can either can grow with you and help you, or destroy you (hence the hammer).