Witches Horn Completion
You will not be able to discover all the mysteries of the Dathomir planet during the first visit. You will have to come back here again at least once with Force Powers, Abilities and Doid Upgrades you earn in the following locations.
Witches Horn Walkthrough on Dathomir Planet
Entrance from Swamp of Sacrifice
Examine body by the wall.
When you try to remove Climbing Claws from hands of dead body ... something big and scary moves above you.
it is Gorgara start to fight it.
At 10% of health, Gorgara will will escape through the exit in the cave ceiling.
Take Climbing Claws and climb up to follow Gorgara.
Climb up fast
Using Climbing Claws, climb up fast. Gorgara will follow you.
Up to air with Gorgara
When you get to the ledge, Gorgara will grab you in his claws and lift you into the air.
Every time Gorgara lets you go in the air, you have to fly back to her neck. Use Pull.
You will land in Swamp of Sacrifice 
After fight with Gorgara
Climb to the top
Return to Swamp of Sacrifice
Secrets in Witches Horn
Secret - Force Essence
Chests in Witches Horn
Chest: BD-1 Skin - Day of the Dianoga
Force Essences in Witches Horn
Force Echoes in Witches Horn - Databank
The Nightbrothers (5)
3. Rite Of Passage
The boldest Nightbrothers ventured into the lair of this creature as a rite of passage. Those who survived were deemed worthy.
The Nightsisters (8)
A Nightsister vessel used to mix potions and elixirs.
Abilities and Upgrades giving access to locations.
Force Power Abilities, BD-1 Droid Upgrades and other Abilities will alow you, as they are discovered, to visit previously inaccessible locations. If you encounter a place you can't reach or enter, go exploring further to find more skills or abilities , then come back and try again.
Force Power Abilities
Force Slow - you know this power from the beginning of the game, it allow you to slow down time.
Wall Run - you will learn this power relatively early on the planet Bogano in Subterranean Refuge, it allow you to run for a short while on some vertical ridged walls.
Force Push - you will learn this on planet Zeffo in Tomb of Eilram, it allow you to push objects and enemies.
Force Pull - you will learn this on planet Zeffo in Tomb of Miktrull, it allow you to pull objects, enemies abd open passages.
Jedi Flip - you will learn this on planet Kashyyyk. it is long double jump.
BD-1 Droid Upgrades
Scomp Link - you can find Scomp Link on planet Zeffo but you will need Force Push, it will allow you open locked doors and chests.
Overcharge - you will get this on planet Kashyyyk, BD-1 can turn machinery on and off.
Slice - First Slice: Security Droid you will find on planet Kashyyyk, it allow BD-1 to control damaged security droids. Second Slice: Probe Droid you will find on Zeffo, it allow to control damaged probe droids.
Powered Zipline - on Zeffo after Kashyyyk, it will allow you to travel up and down ziplines.
Underwater Breather - you can learn it on Kashyyyk, it allow to explore undewater locations, You need this skill to dive under water.
Climbing Claws - you will find Climbing Claws on planet Dathomir, they will allow you to climb on new types of walls.