Loose stones from the ceiling fall into the pool. Squares within 2 of the pool are considered difficult terrain.
Damp leaves swirl into the chamber, landing in the braziers. Clouds of smoke give creatures within two squares concealment.
Crumbling masonry lets in a beam of sunlight. Shield-equipped creatures may blind an enemy as standard action.
A rumble deep inside Dragontooth Hill shakes shakes the room. Creatures that miss with an attack fall prone.
A misty breeze blows across the balcony, refracting the sunlight into a rainbow, invigorating you. PCs gain 2 temp HPs each round.