Answer:
happy dagger
timeless end
Step-by-step explanation:
An Oxymoron is one of the figures of speech in which words of opposing meanings are placed beside each other. The words help in creating an effect in the meaning of the sentence. The words contradict in meaning and helps in presenting rhetorical effect in the sentences.
In the given excerpt, 'happy dagger' and 'timeless end' are the examples of oxymoron. 'Happy' is a positive term and 'dagger' is a negative term. 'Timeless' denotes the unlimited span of time while 'end' denotes the end of the time.