"Yes, sir." Erandur's frown turned into a small smile, he wanted to tip his hat, but he was without one at the moment. "No, friend. I said I would be here to help, so I am here to help." While he knew there was risk as well, the Dragonborn had no fear of death, he hadn't in over 3,800 years. It wasn't himself he was worried about.
Erandur kneeled down as he slung his bag over his shoulder, letting it sit on the ground. Opening it, he dug in and pulled out several Black Soul Gems, placing them on the ground. Then came out the Black Star, he felt he would need this one more than any of the others.
He could feel the power of the darkness within Artorias, as well as the power from his pendant, which Erandur eyed. "You said that the pendant keeps the darkness at bay?" Erandur could definitely make use of that.