It showed not only the slimes were the only monsters in the cave, but there were also more of them that were always ready to attack. Moreover, Ling safely saved the woman has the name of Hailey, working for Riki as a scout.
Since Riki felt indebted, he insisted to give anything that Ling wanted. "I can't accept this, I don't feel indebted to someone. So, please tell me what you want, and I'll do my best to provide it."
A sigh came out of his mouth, knowing Riki won't stop unless he do what he wanted. At this point, Ling can't refuse and added these words. "It's not a big deal for me to save since everyone could do that. Since you've insisted on it, could you give me a couple of potions that you gave to this woman? Also, a place where I can rest."
Riki was taken aback as he didn't expect this man would just request that. Or to be exact, he was thinking was something like silver coins, rare items, etc. But it seemed like he made a wrong impression on him.