I wanted to post something about the total boost that you get from Datacrons as of 6.2. Many of the old guides only contain stats like cunning, willpower, aim...etc that is no longer used in the game. The three stats Datacrons boost are Mastery, Endurance and Power. However, very few guides tell you the total Stats for collecting all the Datacrons that boost stats. I took the Liberty of calculating it and here is what I found:
Total Datacrons that Boost Stats (Bind to Legacy): #85
Mastery: 214
Endurance: 72
Presence: 68
Here is a copied text from my Excel Spreadsheet.
Planet Faction
Datacron Mastery (M) Endurance(E) Presence(P)
Tython Republic
1 2(M)
2 2 (E)
Ord Mantell Republic
1 2 (M)
2 2 (E)
Corusant Republic
1 2 (P)
2 2 (E)
3 2 (M)
4 2 (M)
Balmorra Republic
1 4 (M)
2 3 (E)
3 4 (M)
4 4 (M)
5 4 (P)
Balmorra Emperial
1 2 (M)
2 2 (M)
3 2 (M)
4 2 (M)
Fleet Either
1 10(M) 10(E) 10(P) (Only need to do one faction, Unsure if it boosts Power or any other stats? Please let me know in comments if it does.)
Korriban Emperial
1 2 (E)
2 2 (M)
Hutta Emperial
1 2 (M)
2 2(P)
Dromund Kaas Emperial
1 2 (M)
2 2(P)
3 2 (M)
4 2 (E)
Taris Republic
1 2 (M)
2 2 (M)
3 2 (M)
4 2 (M)
Taris Emperial
1 4 (M) There are some datacrons you must get twice, once on either faction. They are in the same places but give different stats depending on faction.
2 4 (M)
3 3 (E)
4 4 (M)
5 4(P)
Nar Shaddaa Either
1 3 (M) The datacrons are in different locations depending on faction, can only be buffed on one faction (like the fleet). Republic datacrons are easier to get.
2 3 (M)
3 3(P)
4 3 (M)
Tatooine Either
1 3 (M)
2 3 (M)
3 3 (M)
4 3 (M)
Alderaan Either
1 4 (M)
2 3 (E)
3 3(P)
4 4 (M)
5 3 (M)
Quesh Either
1 4 (E)
2 4 (M)
3 4 (M)
Hoth Either
1 4(P)
2 4 (M)
3 4 (E)
4 4 (M)
Belsalvis Either
1 4 (M)
2 4 (E)
3 4(P)
4 4 (M)
Voss Either
1 4 (E)
2 4 (M)
3 4 (M)
4 4(P)
5 4 (M)
Corellia Either
1 4(P)
2 4 (M)
3 4 (M)
4 4 (M)
5 4 (E)
Ilum EIther
1 4 (M)
2 4 (E)
3 4 (M)
Makeb Either
1 10(P)
2 10 (E)
Mek Sha Either
1 7 (M)
2 7 (E)
Onderon Either
1 7 (M)
2 7(P)
Ossus Either
1 6 (M)
2 5(P)
3 2 (E)
Rishi Either
1 10 (M)
2 10 (M)
3 10 (M)
4 10 (M)
Total Stat Buffs Mastery 214 (M)
Endurance 72 (E)
Presence 68(P)
Total number of Datacrons
That boost stats 85
Note: The hardest planets to obtain Datacrons are: Mek-Sha (The jumping puzzle for the +7 mastery is nothing but a thankless Hell), Ossus (time consuming, but not difficult), Onderon (quite possibly the funnest puzzle in the game is the last Datacron, but it is time consuming. Also there is a moderately difficult jumping puzzle on this planet as well), Rishi (Time Consuming, Must farm Grophets (pigs) for a long time takes 4-7 hours but no jumping), Fleet (Need group of 4-5 people but not that difficult I recommend using Discord as it does take some communication). I did not include the Matrix shard datacrons or the Dark/Light event Datacrons in this. Out of the Shard Datacrons- Taris (need group of 2) and Belsalvis (time consuming) are the hardest to obtain. I was able to farm the datacrons and it only took 4-5 days to obtain all of them.
If any of the values are wrong to the stats Please post in comments any corrections. Thanks.
Another Helpful tip: It is extremely helpful if you collect datacrons on either a Sage or a Sorcerer. The reason is the Phase Walk Ability that you can use to teleport back to your spot if you fall off instead of starting the puzzle over again. If you are not good at jumping in the game I highly recommend using a sage or sorcerer for the jumping puzzle datacrons.
For the best Datacron Guides on the internet: visit Kid Lee on Youtube, he has a playlist that will tell you how to get all of them. However, he is missing some of the Republic Datacron Locations since he mains Empire. You may also use IllevaGaming on youtube for datacron guides. She has all the locations for Republic as well as Empire.
As you can see, Collecting all the Datacrons give a pretty sizable, account wide buff to Mastery. This is reason enough to go hunting for these things. It is basically like adding an extra augment onto your gear.
I hope this helps you! Happy Hunting!!!!