Designing the Banisher

The first version was a straightforward pursuer, and it was miserable. Players ran, the Banisher ran, and the chamber stopped being a puzzle the moment it appeared. Every interesting decision in the room collapsed into a single uninteresting one: which door is furthest away.

So we inverted it. The Banisher is now a function of the player's own tempo. It advances on the beats you skip. Solve carefully and it stays a sound in the next corridor; rush and it closes the distance you saved.

TUNING THE RHYTHM

Getting the interval right took most of a month. Too generous and the mechanic was decorative. Too tight and players stopped experimenting altogether, which is the one failure state a Blood Trials chamber cannot survive.

FIG 07 · BANISHER TIMING DIAGRAM

The number we landed on is 4.2 seconds of grace per interaction, decaying by a fifth each time the player repeats an action they have already been shown to understand. The decay is what makes it feel like it is reading you.

Fear is fair when the player can name the mistake afterwards. If they can't, we built a slot machine.

WHAT WE CUT

An early build let the Banisher open doors. It tested well for exactly one session, then every playtester started treating chambers as corridors. Removing it cost us a dramatic moment and bought back the entire puzzle layer.

• #mechanics
• #combat
• #bloodtrials