Complex sentence: But the next king, Louis XIV, had been hostile to them, to the point where, in 1685, revoking Henry IV's edict of toleration, he forbade Protestants to worship publicly, and announced other harsh sanctions against them.
Split into simpler sentences: But the next king, Louis XIV, had been hostile to them. This was to the point where in 1685, revoking Henry IV's Edict of Toleration, he forbade Protestants to worship publicly along with other harsh sanctions against them.