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

https://penelopesultimateblogs.hexaforgey.com/posts/how-is-casino-volatility-similar-to-portfolio-risk

RTP is a long-run average, not a session promise: 96% RTP means a 4% house edge. Volatility shapes how uneven results can be. In a short session, outcomes can differ sharply from the average, and your balance may fall quickly.