For the longest time I've been combining smaller enchantment books (e.g., sharpness I) into larger enchantment books to put on gear. I'm now in 1.12 and it doesn't seem to work anymore, it just becomes too expensive.
For my sword, I started out combining sharpness I books into II's and so on. Once I had done this for all the other sword enchantment books, I began putting them on, starting with the highest level enchantments. Right off the bat sharpness V alone cost 28 levels on a brand new sword, free of any enchantments. From there everything else was pretty much too expensive. I began to do some testing with anvils and apparently you can't combine low level books into higher books anymore because they'll just become too expensive when you're ready to put them all on your gear. Instead, you have to start out with high level books (e.g., sharpness IV) and then combine them as usual before putting them on your weapon or tool. Since when did this change and how do I go about maxing out my sword?
22 Answers
Try swapping the two items you want to combine, that often makes a big difference. I don't know why that is the case, it was reported as a bug before, but resolved as "working as intended".
3An interesting trick you can do is called an "XP-gamble" where you shift-click on the third enchantment available on an enchanting table. This costs significantly less XP and can give you multiple, high-level enchantments from an unenchanted sword instantly. The chance of this working is about 80%, and i havent tested it in 1.12 or 1.12.1 (I stick with 1.11.2 most of the time) I have successfully enchanted diamond chestplates with prot4 and unbreaking3 using this technique.
