Reddit mentions of The King Henry Tapes (6 Book Series)

Adding a few, Not top 5 material (your top 5 is pretty unassailable) but among my favorites as well.

• Dresden Files (starts good, gets better every book)
  
• King Henry Tapes (amazingly good, not easy to discover)
  
• Gentleman Bastards (so intricate and well done)
  
• The Dark Tower (ties in most of Stephen King's works)

I'll pick up a UF series if something about it piques my interest. For example if it's playing around in an area of mythology I like or it handles magic in some interesting or unique manner, or most especially if it has a well-written protagonist with a defined character. I mostly judge this stuff based on comparisons to other series I've read.

Give The King Henry Tapes by Richard Raley a try. I genuniely believe it bears the weight of comparison to the Dresden Files effortlessly. It's canny, funny, self-aware, heartfelt, convincing, thought-out UF with a cast of rounded, well-executed characters and wonderfully coherent worldbuilding.

I will avoid UF series if they feel low-effort or unironically tropey. Series that are transparently just apeing more successful works (there might as well be a dresden-knockoff subgenre). Also, I don't dislike the paranormal romance thing on the whole (works great for Ilona Andrews, Kim Harisson, and Seanan McGuire's books, for example), but there's a significant number of series I've read where those elements fall flat, or aren't enough to save otherwise weak work, so I'm always a little leery about picking up new ones. I'll drop a series if enough little things about it bother me, too.

Can't say enough good things about The King Henry Tapes!. Someone described it as Harry Potter meets Pulp Fiction, and I'd say that is pretty accurate. Quickly became one of my favorite series after getting in to it.