Story Title: (5/5)

Since the story only has one chapter, I can't really comment on the use of the title. However, from what I've gathered from chapter one, I think 'Thanks for the Hunt' is said by EXO? And also, it's used because Luhan is being hunted, so I assume EXO is trying to gain something or maybe feed from him (I've read too much gore). In any case, if I'm using the first chapter as a basis, I would say the title fits strangely well if you look deep enough.

Also, the title isn't overused or something; it will arouse the reader's interest as they think; thanks for what? What hunt? It's about right and perfect (again, based on chapter one). 
Description: (6/10)

The layout looks nice, I'll give you that. 

I normally don't fancy summaries being thrown into the description area, mainly because short sentences are easier to read and gives the reader a vague understanding of the story first. To me, your description is more of a prologue, and it's too much of a spoiler. There's too much information in there which could've been arranged into other chapters; maybe have a main chapter for info or prologue, and the foreword for the characters. 

Think about this: you stumble upon this fanfic, and reads the description without clicking into the story. Since it's pretty long, AFF shortens it and because your first few sentences aren't really eye-catching or to the point, readers generally wouldn't be interested enough to click into it. 

Most writers do snippets of their stories in the foreword; maybe you can do that as well. 

However, the description is really detailed and filled with amazing vivid scenes of the forest and Luhan's dreams, plus there are some elements of mystery, so I really liked it. 
Foreword: (3/5)

There's no foreword, but you, again, could've added some information or snippet of the story in here and your author's note instead of jumbled up in the description. (The marks given for this area belongs to the description as well)
Spelling, Punctuation and Grammar: (15/20)

From the first line of the description, I know that I can give this a pretty high mark, because there aren't any obvious mistakes in your story. 

However, a few words are repetitive; (description) 'Panted breaths echoed within the small clearing that resided deep within the heart of the forest.'

Instead of using 'within' twice, you can change it to: '...echoed in the small clearing...' Sometimes, simple is the best. Also in the description; 'Luckily, he hadn't had to explain them yet, or at least all of them' 

Adding a coma after 'least' can give effect to the sentence, because just by reading this, it feels rushed. If you're not sure where to put punctuation, try reading your passage or sentence out loud and see how it feels. 

'Only the tattoo that painted the skin just above his wrist on the top of his forearm was something...' (description) Here, there's too much detail. Try pinpointing the location of the tattoo, instead of 'just above his wrist on the top of his forearm', because that's a mouthful. Here you have two locations; both are fine without the other, so I suggest taking away one, preferably 'top of his forearm', because there are too many 'the's in this sentence. (For my taste, at least) 

Punctuation; 'At least he knew the basics of life by then, it could have been worse.' The coma should be replaced by a semi-colon (;), as 'it could have been worse' shouldn't be just seperated by a pause in the sentence. By using a semi-colon, it is used to indicate major diversion between these two ideas. (copied from google bc I'm a lazy tbh) 

Another example of repitition; 'A sudden sharp pain in his side suddenly jolted him back to the present.' The word 'sudden' can be used for describing pain, but it can be omitted, from jolting him back to the present. It could be written as 'A sudden sharp pain in his side jolted him harshly back to the present.' as harshly describes the situation in hand perfectly. 

Other than that, I can see a lot of vivid and lively descriptions from your texts, as well as hidden meanings in your words, like 'once innocent green blades' because it describes the murdereous intent of the grass. Well done! 

You can use the guide above to check the grammar in your first chapter over as well, even though I didn't spot any major ones there. 
Plot: (18/20)

Again, since your story is in its developing stages, I can't really comment on the plot, but I'll say that your idea is pretty unique. I've thought of written dream-based stories before, but failing epically because of various reasons which include poor use of the langauge.

Back to the matter in hand. Because your choice of words describe the scenes in miniscule detail, it lets the reader submerge into your world. From what I read, the dreams are realistic nightmares that Luhan suffer from, and that Kris is the only one who can help. 

The development in your first chapter isn't rushed; the pace is perfect. As far as I could see, I didn't spot any plotholes, which is good process as some authors leave things left unexplained, but I can tell from your story that they will soon be unveiled slowly. 
Character Development: (18/20)

Let's see.There are, so far two characters in your story, excluding the guy that appeared in Luhan's dream (we will get to that later); Luhan and Kris. 

For me, the description area revealed quite a lot about Luhan, and you unveil part of his past life in the first chapter as well. I personally like broken characters with tramautic pasts, so he's quite an intriguing character. While you potrayed him with a worn and weary heart, perhaps suffering from depression and immerse fear as well from the tears in his dreams, in real life he's a victim of his own mind, as well as experiences that no seventeen year old should suffer from. It wasn't shown obviously that he trusts Kris, as well as is dependant on him, but there were certain actions which say so, and everything is subtle yet clear; I like it. 

Kris is, for now, a character shrouded in mystery and unknown. I saw him supporting Luhan when he woke up, and I suspect that the voice in the dream is also his. However, after Luhan wakes up from his dream, I feel like he's being a bit pushy to him because he tells the other to 'keep fighting' first instead of comforting him. of course, there again is a lack of background information or story, so I'm not sure what kind of relationship they have and how they normally communicates. Maybe it's intended for encouragement, but to me it's feels like Kris is not knowing of how much of a hard time Luhan is going through. 

The guy who appeared in Luhan's dream, I'm guessing he's one in EXO who wants to...gain something from him? Anyways, by putting an unknown character in chapter one, I would say you did a great job in creating suspense because I'm dying to know whether it's Tao or Jongin (and I'm probably wrong as well XD) 
Setting: (10/10)

I like how you keep changing settings; from the forest in the description, the clearing and second forest in chapter one plus his house, you're bringing the reader through a variety of scenes and making the flow of the story natural, instead of some authors who keep rushing it and made things worse (*cough* me). Again, I'm in love with how you describe things. :)
Overall Enjoyment: (8/10)

I really enjoyed your story! The plot is unique and the characterisation is great. The only few things putting me off are the description and grammar, and I'm sure you can make improvements on that. I've also seen your readers' responses, and they're great so far. Good luck! 
Total: (83/100)