RTP is a long-run average, not a session promise: 96% RTP means a 4% house edge...

https://www.bookmarking-keys.win/rtp-is-a-long-run-average-not-a-promise-for-one-session-96-rtp-means-a-4

RTP is a long-run average, not a session promise: 96% RTP means a 4% house edge over time. Volatility shapes how uneven results can be. You may lose quickly or win briefly; short sessions can differ sharply from the average.