Jedi Survivor Perks Guide and Locations Catalog
If you're curious to learn a bit more about how many Perk slots you have and where to get more, you can find that answer below as well.
How to unlock building slots in Stellaris - Gamepur
These are also not needed but you will need them to actually have enough Ascension Perks to fill all the slots Expanded Stellaris Ascension Perks Plentiful Traditions – Extra Perks Reworked Advanced Ascension.
Mod «Lots of Traditions - 80 Slots» for Stellaris (v3.6.*)
Read more about More Ascension Perks Slots at Gameplay on Skymods. ... Expand the number of ascension perks slots to 24(or more,at most to 128).