We have confirmed that there is an issue with the Stamina cost settings for the following dungeons. As a result, the following dungeons were not set to 0 Stamina cost for the day as initially intended.
Super Ultimate Colosseum-Special
Ultimate Annihilation Colosseum-Special/No Continues
Please stay tuned for further announcements regarding this issue.
Thank you for playing Puzzle & Dragons, and we apologize for any inconvenience caused.