Dark Guardian

You call forth a dark spirit to protect you. They flit around you to a distance of 15 feet for the duration. If you are neutral or evil, their spectral form appears Demonic or fiendish.

When the spell is cast, you own shadow will become the spirt you summoned taking on a demonic or fiendish form, it will protect you and only you and it will no attack demonic or fiendish creatures, if you are (lawful) the creature will try and corrupt you after you use the spell once.

At Higher Levels. When you cast this spell using a spell slot of 7th level or higher, the damage increases by 2d10 for each slot level above 6th.