We’ve got your back. With the Tough-O-Meter, you’ll know whether to bring extra layers or Swiss army knives as you summit the literary mountain. (10 = Toughest)
(2) Sea Level
As far as 17th-century poems go, "To Lucasta" keeps it simple. There really isn't any difficult vocabulary and the syntax is pretty clear. And, as a bonus, the poem's overall themes are not difficult to grasp.