A running bit of the John Brown Isekai is that John Brown is not the only isekai’d person in the isekai world, and most of the rest are stand-ins for your standard piece of shit isekai protagonists of various countries’ isekai fiction.
John Brown Isekai latest chapter spoilers
The author made the absolutely genius, inspired choice to have John Brown’s long life of fanatical puritan abolitionist prayer count as Cultivation time which is suddenly unlocked when a Cultivator-flavored isekai’d enemy attacks him. So now John Brown can dodge bullets.
The Linkle mod for totk isn’t quite done yet iirc