Puzzle 18

Opera focuses on a Chinese royal and three riddles

Bitterness, hostility, animosity

Insulin and estrogen are these

Irrational anger when driving

Ancient supercontinent, also called Hudsonland

Figure of speech with contradictory terms

Drug that induces calm and drowsiness

Wagner's opera of a knight of Holy Grail legend

January 6 holiday, celebrates coming of the Magi

Getting popular on Twitter

A four line poem