Cast on a creature or wizard,
invisibility causes it to become invisible.
Although the creature only appears to be faded to the casting player's view,
enemy creatures cannot see them.
Invisibility lasts for a given period of time."
Since an invisibile creature can't be targetted,
area damage effects such as
meteor shower and
can be usful in areas where you suspect a cloaked enemy to be.
In addition, these weapons cause fire damage,
(more info on burning here).
and while the enemy is taking damage he will become visible.
fired at random, can uncover an ememy.
alternative spell choices
Invisibilty is unique as a casting spell.
The spell ingredient
can produce the spells:
The common theme between these spells is invisibility,
with wraiths naturally exhibiting the effect,
and magic eye being an invisibility tracker.
All three are useful spells to have,
but invisibility is a must-have spell.
The wizard is so important to protect that invisibility and/or
ahould always be on hand.