Keep going forward, then climb up the vine. You'll find more Lung Flowers to jump up on, and when you land, head along the branches behind you for a chest and Force Echo.
Head back along the branches to where a vine is nearby. Pull the vine to you, then swing across and climb the vines. The platforms sway in this area, so time your jumps carefully and use your Jedi Flip to get safely across.
You can use the Jedi Flip to readjust a jump slightly, but the Flip isn't a full double jump, so be careful when using it to close a distance.
When you get back to solid ground, you'll find a new Meditation Point. Use it, and head into the Shyyyo Bird's nest. Cal will heal the wounded bird, and it'll repay you by giving you a lift to the top of the Origin Tree. Awesome!
At the top, you'll come across a workbench. If you haven't gotten the Double-Bladed Lightsaber yet, you'll receive it now.
If you grabbed the double-bladed Lightsaber at an earlier point, you'll get a Lightsaber sleeve instead.
Head on down and BD-1 will start another Hologram with Cordova. The old man had obtained the Astrium at the Origin Tree, but that means it's no longer there. However, he mentions Kujat's Tomb on Dathomir, implying another Astrium is there.
Finally, we have our next objective. Jump on down, and hitch a ride back down on the Shyyyo Bird--or not, as the Ninth Sister has caught up with you.
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