Seeing the Random Part of the Game
Deciding how long to stay on the reels depends on one fact nobody can change: how often the bonus round comes is not known in advance. Earlier spins do not shift the odds of the next one. The result of one session is random whatever the RTP, so a short loss and a long run are both possible.
Before you stake real money, check which RTP version is running. The game rules are the only place that shows it. Two versions of this slot can carry different returns, so the game name alone does not tell you which one you are playing.
Choosing a stake sets the money value of the top prize, since the maximum win is a multiple of the bet. The ceiling is reached very rarely, and no one can predict the session in which it comes. Plan each session around the amount you can afford to lose, not around the largest figure on the screen.