That's up to you. Using Larimar on maps is a risk, considering there are affixes like skyfall and tnt.
Eternal legends cannot be altered; they were made that way because, at a certain point, normal legendaries become useless, and, at +50% Quality, they become quite a bit better.
If you're making the Hunter Ring and you plan on wearing always while farming, I recommend starting with a Nadroji Ring, removing all but the All Sets +2 and Nadroji, putting four slots in it with Zircons, put the mythic skill on it, and put Luck, Item Drop, Gold Find, and another socket for an Elixer (+2 Sets) on it. If you're just looking to have the Hunter skill, just grab a normal ring with four slots and Hunter on it. That's what I did. Although, if I could do the former, I would.
You also seem kind of like a glass cannon. Try to incorporate a defense aspect of some sort into your build. Also, these help alot (found on forum):
Left is salvage, right is convert, X is keep.
Just my two cents. Good luck.