Fireballs

Mentioned by Klbkch, who notes that Pisces' failure to cast this spell confirms he is not a highly powerful mage.

Used repeatedly by the Lich during the battle to assault the Horns and attempt to kill Ryoka.

Ceria warns Ryoka not to expect to start throwing these destructive spells immediately.

Ceria cites learning this spell upon reaching Level 18.

Sostrom is noted to lack the ability to cast this offensive spell.

Does not appear in the provided text.

The [Fireball] spell is suggested as an effective method for clearing out the Shield Spider nest.

Ceria blasts a Crypt Lord with this spell, catching it on fire and scattering the surrounding dead.