You grant a creature additional
armor, providing a +4 bonus to
Defense. The bonus is either an equipment bonus or a natural
armor bonus, whichever you select. Unlike mundane
armor, the
armor seed provides an intangible protection that entails no
armor check penalty,
arcane spell failure chance, or
speed reduction. Incorporeal creatures can't bypass the
armor seed the way they can ignore normal
armor. For each additional point of
Defense bonus, increase the Knowledge (arcane lore) check DC by +2.
You can also grant a creature a +1 bonus to
Defense with different bonus types, including deflection, insight, sacred, or others. For each additional point of
Defense bonus in one of these types, increase the Knowledge (arcane lore) check DC by +10.