Debts.

Valerian was surprised to see this person here. Although the encounter between the two was a vague scenario that lasted as long as a blink was considered, he still did not forget her help. When he was leaving the orphanage, the children there were trying to humiliate him, but this lady stepped out of her way and helped him. 

She was the one who shunned away those bullies. Valerian remembered her stature to be very righteous but watching her curled up in a dark corner of the cave, he was shocked. He turned to look at Priscilla, who said, "When I arrived here, I saw these four guys pushing themselves on her."

Valerian's gaze turned cold and he looked at the young men who were laying down on the ground, unconscious. He nodded and said, "You did well." 

That said, he walked closer to Grace, who was cowering in fear. He did not say anything to startle her, as she had buried her head in her knees and cast a healing spell, Sanatio Lucis.