The glowing water in the pool is imbued with a life-giving property. PCs ending their turn in the pool gain 5 temporary hit points.
Some of the runes on the wall pulse with a rhythm that seems to aid you in timing your attacks. PCs gain +1 on all attacks.
Ancient power yet resides within the dark floor tiles. Any creature standing on a dark tile gains a +1 to all defenses.
The slightly damp floor makes quick movement hazardous. Any creature moving 5+ squares must make an Acrobatics check or fall prone.
Musty air hangs heavily in the room. All creatures have -1 speed and defenses.