3rd level Conjuration
Classes: Bard, Sorcerer, Wizard
Domains: Fire
Components: V, S
Casting Time: Standard
Range: 60 ft
Target: One 10' cube of fire
Duration: 1 minute, Concentration
Saving Throw: DEX halves
Spell Resistance: Yes
Description: You create a 10'x10'x10' cube of fire that does fire damage and obstructs movement through an area. The cube does 4d6 damage per round to anyone caught inside of it. If cast on top of an existing creature, that creature gets a DEX save to halve the damage. If cast under water, the spell dissolves in a hiss of super-heated steam, doing the damage for 1 round only.
Leveling: Damage increases by 1d6 for each level above 3rd (max level 6).