Schedule (Philippine Time): every hour, on the hour 12:00 AM, 1:00 AM, 2:00 AM ... 11:00 PM • The entrance opens on the hour and closes after 5 minutes. • Each battle lasts 10 minutes. • Up to 70 players. Parties are not allowed: everyone fights alone. • Entry needs an Armor of Guardsman and a zen entry fee (see below). Levels and entry fee (Magic Gladiator / Dark Lord in brackets): • Chaos Castle 1: level 15–49 (15–29) – 25,000 zen • Chaos Castle 2: level 50–119 (30–99) – 80,000 zen • Chaos Castle 3: level 120–179 (100–159) – 150,000 zen • Chaos Castle 4: level 180–239 (160–219) – 250,000 zen • Chaos Castle 5: level 240–299 (220–279) – 400,000 zen • Chaos Castle 6: level 300–400 (280–400) – 650,000 zen • Chaos Castle 7: master class, level 400 – 1,000,000 zen