One answer:
"Anguish" is: "extreme pain, distress or anxiety."
Among the disputed definitions of "spirit"... one might be: "attitude or feelings."
In which case, a "spirit of anguish" would be "a feeling of extreme pain, distress or anxiety."
Anguish - film - was created in 1987.
Ancient Anguish happened in 1992.
Ancient Anguish was created in 1992.
Charles Anguish was born in 1769.
Hope in Anguish was created in 2003.
Charles Anguish died in 1797.
Joel was enduring much anguish over his father's death.
The duration of Anguish - film - is 1.43 hours.
Of Long Duration Anguish was created in 1994.
Screams of Anguish was created on 1993-08-28.
Douglas Anguish was born on 1950-07-08.
She was filled with anguish over the murder of her child.