Ranking Dungeons Ranking Dungeon: Rikuu Cup 2 (No Dupes)! (Updated 9/26 – Top 3) 9/12 (Wed) 12:00pm - 9/17 (Mon) 11:59pm JST A ranking dungeon that starts on a Wednesday and ends on Monday.… Read more #3% Crown #30% Rikuu #Ranking Dungeon #Rikuu Reni | Sep. 26, 2018. Comments are off.