Dark Souls Remastered | Helping to kill Ornstein and Smough to gain humanity

I place my white summon sign down to help defeat Ornstein & Smough a total of two times. My main goal is to gain "soft" humanity so I can revert to my human state at a bonfire. This is useful when you've run out of Humanity (as a usable item). Soft humanity just adds one to the number for you to use, so it's the same as using a Humanity that is in your inventory. This can also be a good way to gain souls if you need them.