Blast of the BellowsSpell 2
Source Pathfinder #195: Heavy is the Crown
Traditions Arcane, Divine, Primal
Cast

Area 20-foot burst
Range 100 feet
Duration 1 minute
You create a churning eddy of warm air that makes it difficult to fly within the area. This area is difficult terrain for flying creatures. Each time a flying creature enters the area or ends its turn there, it must attempt an Acrobatics check to Maneuver in Flight.
Success The creature is unaffected.
Failure The creature descends 30 feet.
Critical Failure The creature descends 60 feet.
Heightened (4th) The duration increases to 10 minutes.
Traits
This rarity indicates that a rules element is very difficult to find in the game world. A rare feat, spell, item or the like is available to players only if the GM decides to include it in the game, typically through discovery during play. Creatures with this trait are rare. They typically can't be summoned. The DC of Recall Knowledge checks related to these creatures is increased by 5.
AirEffects with the air trait either manipulate or conjure air. Those that manipulate air have no effect in a vacuum or an area without air. Creatures with this trait consist primarily of air or have a connection to magical air.
ConcentrateAn action with this trait requires a degree of mental concentration and discipline.
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.