Hush is a Sorcery in Dark Souls 2. To cast a Sorcery, you must use a Staff or Special Weapons that can cast Sorcery.
"A sorcery that facilitates surreptitious activity. Reduces the sound made by its caster.
The eastern land of Mirrah is not only the home of proud knights.There is also a traditional order of shadow knights, who quietly carry out unspeakable tasks."
- Way of the Blue, Rank 2 reward.
Given by Crestfallen Saulden for leveling up in Way of Blue Covenant.
- You can find the spell in Lost Bastille, in the room where you fight the ruin sentinel boss. there are 4 hidden doors at the bottom of the room. The left one has a ladder with a chest.
Just push the action button at this wall.
- Greatly reduces the range at which you will be detected by enemies who aren't facing you.
Lasts 90 seconds.