How long does it take for someone to reach the limit of the Secret Training?

How long does it take for someone to reach the limit of the Secret Training? - Train Railway Near Trees

Whenever I send Queen to do the Secret Training, generally after 24 hours she only levels up 2 - 3 times, but once I left her for 72 hours (over the course of a weekend) and this didn't change.

My Main Party is Queen (Lv. 72), Carter (Lv. 51) and Rem (Lv. 45), so mostly everyone else is sitting on around Level 26 - 27. I was thinking of bringing them up to around Rem's level using the Secret Training so I can play Persona 2 Eternal Punishment at the same time.

So I am wondering, how long does it take for someone to reach the limit of the Secret Training, so i know when to load the game back up and end the session before restarting it?






Pictures about "How long does it take for someone to reach the limit of the Secret Training?"

How long does it take for someone to reach the limit of the Secret Training? - Brown Train Rail Way
How long does it take for someone to reach the limit of the Secret Training? - Red Light Streaks
How long does it take for someone to reach the limit of the Secret Training? - Back view of sportsman and sportswoman in activewear walking along running track in athletics arena during warming up before training





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