So since the pricing revamp a few weeks ago, the wiki needed to be updated. Researching prices, and consulting with devs, I found that (intentionally or not) all enhancement sets can be put into one of a number of different pricing categories. These categories, and current prices are listed below. Be aware that there are in-game exceptions to these costs but according to Bee these are mistakes that need to be corrected in the game itself, not exceptions intentionally placed. Note: Anything with a cost of 0 means it can not be purchased using that merit type, not that it's free. I'm also using the wiki abbreviations since that is how this all got started.
PU = Purple and PVPIO
Merit Cost = 0
Alignment Merit = 8
Astral Merit = 0
Empyrean Merit = 30
HE = "high event" event IO's with a proc
Merit Cost = 125
Alignment Merit = 2
Astral Merit = 24
Empyrean Merit = 0
LE = "low event" non-proc event IO's
Merit Cost = 75
Alignment Merit = 1
Astral Merit = 12
Empyrean Merit = 0
HA = "high ATO" ATO IO's with a proc
Merit Cost = 125
Alignment Merit = 0
Astral Merit = 70
Empyrean Merit = 0
LA = "low ATO" non-proc ATO IO's
Merit Cost = 75
Alignment Merit = 0
Astral Merit = 55
Empyrean Merit = 0
HA = "high ATO" ATO IO's with a proc
Merit Cost = 125
Alignment Merit = 0
Astral Merit = 70
Empyrean Merit = 0
LA = "low ATO" non-proc ATO IO's
Merit Cost = 75
Alignment Merit = 0
Astral Merit = 55
Empyrean Merit = 0
HR = "high rare" rare IO's with a proc
Merit Cost = 125
Alignment Merit = 2
Astral Merit = 24
Empyrean Merit = 0
LR = "low rare" non-proc rare IO's
Merit Cost = 75
Alignment Merit = 1
Astral Merit = 12
Empyrean Merit = 0
HU = "high uncommon" uncommon IO's with a proc
Merit Cost = 60
Alignment Merit = 0
Astral Merit = 0
Empyrean Merit = 0
LU = "low uncommon" non-proc uncommon IO's
Merit Cost = 30
Alignment Merit = 0
Astral Merit = 0
Empyrean Merit = 0
Edit: Another thing to note, there are no "High Uncommon" recipe's in the game. Recipe's with those prices were mentioned in the patch notes, which is why it's included, but I was unable to find a single one in the merit vendor in-game.
