Obfuscate is a Discipline that allows vampires to conceal themselves, deceive the mind of others, or make them ignore what the user does not want to be seen.

Cloak of Shadows (Rank 1)
Become invisible (including truesight) as long as you do not move.

Mask of a Thousand Faces (Rank 2)
Take on the visage of another (player or mob)

Fade from the Mind's Eye (Rank 3)
Makes it significantly harder to scry you.

The Silence of Death (Rank 4)
Silence a room

Cloak the Gathering (Rank 5)
Extend Obfuscate powers to anyone you are grouped with.