The Northern Horn army had quickly crossed most of Sicily and followed the guidance to the nearby Mount Etna region.
"This is Etna," one Norman Knight said, "Etna Volcano is famous for its fertile land. It's said that the air and water here contain magic power, making crop yields higher than elsewhere."
"It's because of the volcanic ash," Robert said, "Every eruption of the volcano brings up Wizard Stones melted from the mantle, thus creating an environment with slightly higher Spirituality than the Magic Tide."
"Does casting spells in this environment increase strength compared to normal conditions?" William pondered and asked.
"No," the Norman Knight replied, "It just makes the recovery speed of Spirituality slightly faster after you stop casting spells."
"Right," Robert suddenly asked, "Is Etna Volcano currently erupting?"