I'm playing a level 9 Necromancer and I would like to become undead somehow. Preferrably by my own hands so I can get the juicy bonuses of my Necromancer specialty/feats.
I was looking into Magic Jar shenanigans and found this thread: https://minmaxforum.com/index.php?topic=14248.0
my GM and were not sure that it would work out they way he planned it, is there any merit to it?
Or should I look into just using Magic Jar on 1 of my undeads and getting carried in a backpack? Or hollowing a Zombie to go inside Ironman style

I would prefer the permanent way otherwise I can live with a magic jar temporary solution.

I have looked into later on maybe doing Contingency Create Undead Corpse/Bone Creature but it is la+2 which is kinda iffy.
I have looked into Necropolitan, my GM ok'ed using a Wish to let me animate myself as necropolitan paying all the gold+experience and level loss ofc.