As two actions, a 1-meter diameter sphere of fire appears in an unoccupied space of your choice within 5 meters.

When you cast the spell—and once on on each of your turns thereafter as an action—you can move the sphere up to 5 meters. If you ram the sphere into a creature, that creature must make a Reflex saving throw, and the sphere stops moving this turn.

On a failure, it takes 5d6 fire damage and is burning 2.

On a critical failure, it takes twice as much damage and is burning 4.

On a success, it takes half as much damage and is burning 1.

On a critical success, it takes no damage.

When you move the sphere, you can direct it over barriers up to 1 meter tall and jump it across pits up to 2 meters wide. The sphere ignites flammable objects not being worn or carried, and it sheds bright light in a 4-meter radius and dim light for an additional 4 meters.

Augment

You can increase the damage by 3d6 and the burning level by 2 for each additional mana expended.