How and why does the author of The Lightning Thief allude to (refer to) the myth of the Chimera and Echidna in Ch. 13?

The last part of the beowulf excerpt recounts how grendel flees into the darkness after suffering a fatal would from beowulf. what part of freytags pyramid best fits this section of the story

Ivansanger rainsfordgeneral zaroffwhitneyadventurous hunter; calm and composed; considers himself a realist; new yorker; veteran of world war ia hunter; sympathetic to the plight of voiceless, defenseless animals; cautiouscossack; mute; formidable physical stature; wears a black uniform; used to whip prisoners for the great white czarcossack; aristocrat; has sharp, pointed teeth and red lips; devoid of humanity and emotion

Which statement correctly analyzes how the passages work together to create a central idea?