Using Crucifix On Silence... (doors) -

Using the item on this entity can grant two distinct achievements: one for a successful banishment and another for an unsuccessful attempt (where it merely breaks free after the stun).

The interaction with Silence differs depending on your actions while the entity is chained: Using Crucifix on Silence... (DOORS)

To fully banish Silence instead of just stunning it, you must step on 10 twigs while the Crucifix animation is active. This noise distracts Silence from breaking free, allowing the Crucifix to drag it into the floor permanently. Using the item on this entity can grant

Every DOORS Monster Crucifix Scene - Got All Crucifix Badges! Using Crucifix on Silence... (DOORS)