Holy Hand Grenade of Antioch

You get a magic bomb; it deals Major Damage
to a Basic AOE. It is a one time use. Read from
the Book of Armaments below before using it.
First shall thou take out the holy pin. Then
shalt thou count to three. No More, No Less.
Four shalt thou not count, nor two except on
the way to three. Five is right out. Once the
number three is reached, being the third number,
lobbest thou the grenade at thine enemies.