Complex sentence: The legends describe "fidchell" as a game played by royalty, and even the gods, as it was supposed to have been invented by Lugh, the Irish god of light, Macalister, R. A. Stewart.
Split into simpler sentences: The legends describe "fidchell" as a game played by royalty, and even the gods. According to the Irish it was invented by Lugh, the Irish god of light, Macalister, R. A. Stewart.