In the Beheading Demon Copy, Xu Huo encountered a lingering player who performed a hanging act and revealed a piece of information: three months after a player is absent from a copy, the game will forcibly transfer them to a high-risk random instance, with a maximum of three times. The more absences, the more dangerous the random instances they're transferred to.
However, players are not guaranteed to obtain tickets in every instance. Tickets being scarce is the norm. Being able to do two low-level copies within a year is also, to some extent, a way of leaving an out for players. After all, tickets of the same level player might not be that easy to snatch, but if you are lucky, they can be compatible with lower levels.