Situational immunity

Hollow Knight: Uumuu’s protective membrane covers its vulnerable coreThe intact membrane prevents the normal damage opportunity
Hollow KnightHollow Knight: Uumuu’s protective membrane covers its vulnerable core
  1. The intact membrane prevents the normal damage opportunity
© Team Cherry; gameplay capture by Metamorfosis Gaming · Source ↗

A temporary condition makes the boss immune until its state changes.

Design tips

  • Make the protection-removal condition visible and confirm the damage window.

Examples