The Actor's Ability could definitely be a short essay; it took Yu Liang a full five minutes to completely acquire the details of the Actor's Ability.
It was pretty much as he had guessed; Ze could obtain a one-hour script.
"Play Along" meant he could temporarily play any role from a script he had obtained and randomly acquire 1~2 abilities of that role.
"Self-Cultivation" improved acting skills. During the impersonation, it automatically granted the proficiency associated with that role's profession, preventing Ze from making mistakes that would expose him due to the characteristics of the profession.
For example, making frequent errors in the laboratory as a scientist, or unconsciously performing an illegal operation as a firefighter.
An Actor, of course, should be professional.
The most terrifying abilities were undoubtedly "Life is Like a Play" and "Personality Clone"; these were the core of the Actor's Ability, akin to Yu Liang's [Universe] and "Creation".