I'll go with demon soul

Angel Summoning

Because I love heaven related things!

Plus I want a angel to protect me and maybe even summon strong angels!

Demon soul makes me get powers directly and not having to rely on an angel

I'd just use the angel as like a stand, plus I can still summon exteremely strong angels, and I just like divine and holy concepts anyways!

And you could summon multiple angels as well bro.

Though I would probably choose Ghost Mode.

With Angel soon as my second option, cause I could summon Micheal or Uriel and other archangels.