Do epilogues have to be long like a regular chapter is 또는 can they be short (ex: 300-400 words)

How about just about two pages

I think which ever 당신 prefer. There is no law stating how long a epilogue has to be. It can be a short chapter 또는 a paragraph 또는 whatever. It's all up to you.

They can be however long 당신 want but they are normally shorter than normal chapters.