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

https://marcossmartchat.image-perth.org/why-do-some-sessions-end-up-way-above-rtp-and-others-way-below

RTP is a long-run average, not a promise for one session: 96% RTP means a 4% house edge. Volatility describes how uneven results may be