Atmospheric conditions continually change and the wheel itself has features that encourage randomness such as the size of the frets between the numbers and the diamond-shaped obstacles that intercept the ball as it falls down to the wheel. This means that you cannot predict the exact number where the ball will land.
In European Roulette, the RTP is 97.3% no matter what you bet. This means that for every 100 you stake, you can expect to get 97.3. Of course, in the short term, you can win anything from roulette because luck plays its part.
You may also recognize the word as the name of the popular video game Eldritch, inspired by the stories of H.P. Lovecraft, who often used the word in his horror fiction.
On the surface it seems simple: Lovecraftian Horror: written in the style of or employing many elements of horror fiction written by H.P. Lovecraft. Cosmic Horror: based on the ideas of Cosmicism as described by H.P. Lovecraft.