How long of an in book time break between the two 5 book arcs in Stormlight Archive?
10-15 years (thankfully not nearly that long in our world).
If you are viewing this on github.io, you can see that this site is open source. Please do not try to improve this page. It is auto-generated by a python script. If you have suggestions for improvements, please start a discussion on the github repo or the Discord.