"But fate, that night, intended Grendel to gnaw the broken bones of his last human supper," In the preceding quote the author is utilizing,
b
foreshadowing
onomatopoeia
simile
...hyperbole
od

Afirefighter is a rescuer extensively trained in firefighting, primarily to extinguish hazardous fires that threaten life, property and the environment as well as to rescue people and animals from dangerous situations.  just cut some parts to make them shorter and add some of your facts or what describes them most. or what they are supposed to do.