RTP is a game’s long-run average payout, not a promise for your session: 96%...

https://www.nav-bookmarks.win/rtp-is-a-game-s-theoretical-average-return-over-a-very-large-number-of-plays

RTP is a game’s long-run average payout, not a promise for your session: 96% RTP means a 4% house edge on average over time