I sharpened my skills under the mentorship of my coach.
You need a noun to complete this sentence, and mentorship is the only noun here - the rest of the words are adjectives.
A well-known alchemist and only known maker of the Philosopher's Stone, a legendary substance with incredible powers.
Answer:
Interjections are rarely used in academic or formal writing; they're more common in fiction or artistic writing.
EXAMPLES
Oh My God!!!!
What the hell!!!
Ayyo!!
Pardon??
etc etc
