According to Master's PS trophy data, most players are stuck in the second level of "nightclub".
According to PSN Profiles data records, in the PS trophy data of "Master", 96.8% of players passed the prologue, 81.8% of players passed the first level, and in the second level of "nightclub", the number of players who passed the cliff fell to 31.6%, and now the overall platinum rate of the game is 0.8%.
For those who have played the Master's game, this news may not be too surprising. The first level of the game is very bland, while the third and fourth levels have keys to skip, giving you direct access to boss battles. While the last level is also a huge challenge, at this point you've reached the end of your journey, so it's easier for you to get through this level.
In contrast, "nightclubs" have multiple paths and don't allow players to jump directly to the final boss, while also introducing some difficult enemy types, as well as a more difficult final boss.
It's worth noting that these data will certainly change over time. Master was only released for about a week, and over time, it will become easier as future updates are implemented at the difficulty level. Still, it's a good reflection of which levels players currently find more difficult.