pf2e.fyi
From Pathfinder Impossible Magic, which isn't enabled.

Advanced Death Dealing

FEAT 6
ARCHETYPE
Archetype Necromancer
Prerequisites Basic Death Dealing

You gain one necromancer feat. For the purpose of meeting its prerequisites, your necromancer level is equal to half your character level.

Special You can select this feat more than once. Each time you select it, you gain another necromancer feat.
Pathfinder Impossible MagicORC