Xion is a modern spelling of Zion, the Hebrew Tsiyon, the hill of Jerusalem that came to stand for the city and the promised land; the word's own meaning is uncertain and sometimes explained as "fortress" or "monument". The x gives it a futuristic look, and gamers know it as a character in the Kingdom Hearts series. Xion has climbed from number 3427 in 2015 to number 1734 in 2024 and ranks 1791 in 2025.