Invisibility

In the game: help invisibility

Become invisible.

Syntax: cast invisibility [target]

The invisibility spell ('invis' for short) makes the target character invisible. Invisible characters will become visible when they attack.

Details

With the Alternate rune it becomes mass invisibility: you and your group in the room turn invisible.

The game also finds it under: invisibility, invisible, mass invisibility, invis.