https://wccftech.com/how-to/vampire-the-masquerade-swansong-how-to-keep-hunger-under-control/

Hunger plays a crucial role in Vampire: The Masquerade – Swansong. This value grows each time you use a Discipline during a dialogue or exploration. Each vampire must satisfy this need; otherwise, they will eventually lose control and kill the nearest human, resulting in unpleasant consequences. Let’s see how to avoid that.

Vampire: The Masquerade – Swansong – Five Tips on Getting Started