In my opinion, the fact that the effectiveness of the effects has a variable value is not very functional, it only increases the RNG without any real benefit.
Being able to see the minimum and maximum value would be useful but in my opinion it would be even better if the value were fixed.
I have a lot to say about enchantments, If you are interested, read here: The RNG Problem, Enchantment System & Gem System “TOGETHER” (Update)