This Datacron can be seen from down below in the Jedi Temple, but you’ll need to find a way to reach the secret upper levels of the Temple before you can get it.
Coruscant Red Mastery Datacron Guide
The Coruscant Red Mastery Datacron is located in the Jedi Temple map on Coruscant grants Mastery +2 (it used to grant Strength +2 before the stats changed).
The Coruscant Red datacron is in the upper floor accessed by climbing debris and is only available to Republic characters (Imperial players must make a Republic character to unlock this datacron). Finding this datacron will give you a permanent stat boost of Mastery +2 to all your characters on your server, and will unlock the Galactic History 07: The First Spaceflights codex.
- Coruscant Mastery +2 Datacron (Republic)
- Quicktravel: Jedi Temple
- Taxi: Jedi Temple
- Shuttle: [HEROIC 2+] Enemies of the Republic
- Location: Jedi Temple - upper floor accessed by climbing debris
- Difficulty: Medium - Walk carefully
- Codex: Galactic History 07: The First Spaceflights