The answer to my 14th and final riddle of the thread is "Lavender Brown"
My short life was quite eventful,
Lavender died at a very young age , 17!.. in her lifetime several noticeable things happened like her pet rabbit dying, her friendship with Parvati Patil , her participation in divination.. and the whole Lavender-Ron-Hermoine fiasco!
Though my end was quite dreadful.
She was killed by savage werewolf Fenrir Greyback in the final battle at Hogwarts..
I was always intrigued by the things that are unknown,
Her best subject was divination..about future and "things that are unknown"..
The painful turn of events was something I couldn't govern.
Loosing Ron to Hermione was something beyond her control..
I should have known my happiness was short-lived,
But it had nothing to do with the way I was finished.
She was insecure of Hermione and finally lost Ron to her..however, this short-lived happiness had nothing to do with things that happened at the final battle at Hogwarts.
I too rebelled against the dark forces that were unleashed,
Unfortunately my name ended up being one among the deceased.
She too faught in the battle at Hogwarts but was killed by Greyback..
Edit Hint:
What I dreaded became a reality,
I was distraught by its brutality.
She dreaded that something might happen to her baby pet rabbit and Trelawny "predicted correctly" that "the thing she was dreading" is indeed going to happen.. Lavender was extremely saddened when she received the news that her baby pet rabbit was mauled to death by a fox.
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