As sense of the dragon, except as noted here.
The subject gains augmented nonvisual senses out to a distance of 30 feet. The subject does not need to make Spot or Listen checks to pinpoint the location of a creature within 30 feet, provided that it has line of effect to that creature.
Any opponent the subject cannot see still has total concealment against the recipient of this spell, and the subject still has the normal miss chance when attacking foes that have concealment. Visibility still affects the movement of the subject, and the recipient of this spell is still denied its Dexterity bonus to Armor Class against attacks from creatures it cannot see.
For every 2 additional power points you spend, the blindsense granted by this power increases in range by 5 feet.