Buck is confused and perplexed by the two options that lay before him: to leave his beloved master and join the pack of wolves and wild dogs that are his kin, or to stay with his master and keep protecting him. He is torn between loyalty and his true nature of an inherently wild creature that can't be restrained, even by a loved person. The wilderness awakens within him, and he can't ignore this call.
First, you need to determine the purpose behind writing something - is it to educate, to entertain, to scare? After that, you think about the genre - what you are actually going to write about - is it going to be a horror story, a romance, a comedy, etc. After that, you organize everything, think about what should go where, what comes first, etc. And in the end, you connect everything by adding details of your choice that are suitable for your story.
Acro has something to do with height, tip-end, or extremities of the body. By that it means HIGH PLACE
Hypno has something to do with sleep. So it will be SLEEP.
Pyro has something to do with explosion, heat or high temperature. By that it means FIRE
Pan has something to do with the totality. So it means EVERYTHING.
Dent has something to do with teeth. So TEETH
All novels in some way represent life.