Hush (5e spell)
From D&D Wiki
|1st-level Illusion (ritual)|
|Casting time:||1 action|
|Duration:||Concentration, up to 10 minutes.|
Your footsteps and armor make no noise giving you advantage on stealth checks to avoid detection while moving.
At Higher Levels. When you cast this spell using a spell slot of 2nd level or higher the number of creatures you can target increases by 1 for each spell slot above the first.