Difficult Terrain Each square costs 5 extra feet of movement.
Greater Difficult Terrain Each square costs 10 extra feet of movement.
Hazardous Terrain Moving through hazardous terrain deals damage.
Narrow Surface Flat-footed and must Balance to cross. When you're hit or fail a save, succeed at a Reflex save or fall.
Uneven Ground Flat-footed and might need to Balance or fall prone. When you're hit or fail a save, succeed at a Reflex save or fall.
Incline You need to Climb to ascend an incline. You're flat-footed while Climbing.