Improved Fireball is an arcane offensive spell in ADOM. It allows the caster to throw a magical projectile on a designated tile which explodes in a ball of fire upon reaching its destination. As the name implies Improved Fireball is a more powerful version of the Fireball spell and is ultimately a ball-type spell thus sharing the following common features: As any other fire spell Improved Fireball is suppressed in the Ice Queen Domain. Attempting to cast it will drain the usual spell cost but produce no effect except an extra message. See below for ball spell damage comparison.