Specter: Stage 1 Boon: Spectral Form

Specter Stage 1 Boon
You are considered to be Undead in addition to your existing creature type(s). You cannot be excluded from Turn Undead.

Additionally, you have Resistance to Necrotic damage. If you have Resistance to Necrotic damage from another source, you have Immunity instead.

Finally, you stop aging. You are immune to any effect that would age you, and you cannot die from old age.