Note: There are 12 Life Essences to find within the galaxy. Every three that you obtain will increase your Force slightly.
Planet I - Bogano
- Life Essence 1 - Located in the Subterranean Refuge
Head back to the Subterranean Refuge once you've obtained Jedi Flip and Wall Run up the wall to the back of the area, now spin around and begin Wall Running again to reach the rope. Use the rope to swing over to the wall on the left and then Wall Run one last time to reach the first Life Essence.
- Life Essence 2 - Located behind Oggdo Bogdo
You'll be able to collect the second Life Essence from behind Oggdo Bogdo.
Planet II - Zeffo
- Life Essence 3 - Located in the Augur Pulverizers
Head over to the Augur Pulverizers and make your way up across to the center platform from the opposite side and you'll be able to obtain the third Life Essence.
- Life Essence 4 - Located in the Crash Site
Head over to the Crash Site and use the rope to the right of the ship to be lifted into a small room, get BD-1 to activate the power and jump across the pulverizers to collect the fourth Life Essence.
- Life Essence 5 - Located in Gusty Bluffs
Make your way over to Gusty Bluffs and use the spinning platforms to reach the hidden area above, now continue following the path around to find the fifth Life Essence.
- Life Essence 6 - Located in Venetor Wreckage
Head over to the Venetor Wreckage and you'll find the sixth Life Essence just before the zip line.
- Life Essence 7 - Located in the Tomb of Miktrull
Head to the large open room in the Tomb of Miktrull and Wall Run across the center, now turn around and Force Push the Skungus into the wall and then collect the seventh Life Essence.
Planet III - Dathomir
- Life Essence 8 - Located in Brother’s Bastion
Progress through Dathomir until you reach Brother's Bastion and then take the left path along until you can climb up and collect the eighth Life Essence.
- Life Essence 9 - Located in Strangled Cliffs
Head up to the upper section of Strangled Cliffs and you'll see a cage to the left which you can Force Push, after you've gotten the cage to fall push it to the back wall and then climb up to obtain the ninth Life Essence.
Planet IV - Kashyyyk
- Life Essence 10 - Located in the Overgrown Pass
Head over to the Overgrown Pass and follow the path around to find the tenth Life Essence.
Planet V - Ilum
- Life Essence 11 - Located in the Crystal Caves
Once you've completed the story in the Jedi Temple, head back to the second Meditaiton Point and then take the left path to head underground to find the eleventh Life Essence.
- Life Essence 12 - Located in the Crystal Caves
Head over to the second Meditation Point in the Crystal Caves and then use the ropes to reach a Wall Run section, follow it around you'll find the final Life Essence.