[The Train Cores and Train Coins involved world rules of the Train Survival World.]
[You were not surprised that Jade still couldn't exchange for it due to a lack of power rank. But in terms of innate talent rank, her Equivalent Exchange innate talent could exchange for it, which was what mattered.]
[As long as the upper limit of Equivalent Exchange was raised to that level, then Jade would only have to deal with insufficient power rank and the item used to exchange for it.]
[Jade continued, "Although I have good news. The Peak Crystal-grade Train Crewmate Summoning Scroll we've taken from a senior Train Conductor a few weeks ago can now be exchanged for more."]
["Before, my Equivalent Exchange couldn't exchange for it. But now, I can, and my power rank is sufficient since it's merely a Peak Crystal-grade item. If not for summoning random train crewmates from station worlds involved world rules, it would have been an easy item to exchange for."]
