You summon an axiomatic dire bear composed of stars.
Originally Posted by Shadowfoot of the Wizards Community forums.
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(Conjuration) (Summoning) [Lawful]
This spell functions like lesser planar ally, except as noted above and as follows. The creature summoned is always an Axiomatic dire bear seemingly composed of twinkling stars and glowing vapor. In addition to the standard qualities of an axiomatic creature, such as smiting chaos and Spell Resistance, ursa major has the following qualities: All attacks have a 20% miss chance, it radiates daylight at all times, and 25% of the damage from its natural attacks is considered Fire damage and 25% is considered Electricity damage.
Material Component: the figurine of a bear sculpted from gold and freckled with diamonds, worth no less than 500gp.