Tar Sands of Al-Tareb

Casting Time:Action - Range: 30ft - Components: V, S, M (A pinch of tar, or an oily rag) - Duration: 1 hour
Oily tar covers the ground in a 15ft radius. Creatures entering or starting their turn there have their speed reduced to 5 feet or halved with a successful strength save. The tar can be lit on fire. Entering or ending a turn in burning tar causes 2d6 fire damage. The area above burning tar is slightly obscured. The range and radius increase by 5ft for each level above 2nd.