There were a few novels similar to Raiders of the Lost Ark that he could recommend. Among them, the Book of Troubled Times was written by Ji Cha, the Spirit Realm Walker was written by the newspaper seller, the Tang Dynasty's Table was written by Jie Yu, and the King of Imperial Beasts was written by Qingquan Liuxiang. These novels might have similar adventures and treasure hunts to Raiders of the Lost Ark. I hope these recommendations can meet your needs.
One great Crona x Soul fanfiction is 'The Bond Beyond'. It delves into how Crona and Soul's relationship develops in a more in - depth way than in the original series. It shows them learning about each other's pasts and how they grow together. Another one could be 'A Different Kind of Friendship'. This fanfiction focuses on how they start as friends but there are hints of deeper feelings emerging as they face various challenges in the world of Soul Eater.
It might be related to certain quests. For example, players could be tasked with finding the 'lost ark star of our story' which would lead them to new areas and rewards.
Overall, the story of Lost Ark is impressive. It has a rich world-building, diverse quests, and a compelling narrative that keeps players hooked. There are some areas that could be improved, but the positives outweigh the negatives.