Etheric ShardsSpell 5
Source Pathfinder Dark Archive (Remastered)
Traditions Arcane, Occult
Cast

Area 20-foot burst
Range 60 feet
Duration 1 minute
Saving Throw basic Reflex
You reach out and sow glittering splinters of force throughout the area, otherworldly caltrops of will and ectoplasm. The area is difficult terrain, even to flying or incorporeal creatures. Any creature that moves through the area takes 1d4 piercing damage per square traversed, with a basic Reflex save made at the end of each move action they take through the area.
Heightened (+2) The spell's area increases by 5 feet, and the piercing damage increases by 1.
Traits
Anything that doesn't list another rarity trait (uncommon, rare, or unique) automatically has the common trait. This rarity indicates that an ability, item, or spell is available to all players who meet the prerequisites for it. A creature of this rarity is generally known and can be summoned with the appropriate summon spell.
ConcentrateAn action with this trait requires a degree of mental concentration and discipline.
ForceEffects with this trait deal force damage or create objects made of pure magical force.
ManipulateYou must physically manipulate an item or make gestures to use an action with this trait. Creatures without a suitable appendage can't perform actions with this trait. Manipulate actions often trigger reactions.