• The water gently rushes through pipes as the rainfall from earlier calms down into a gentle drizzle

• Creatures come out of their dens, going out into the region.

• Small drips can be heard echoing throughout the underground region.

• A snail takes a drop from the ceiling, swimming into a pool of water below.

• A blue slugcat, Rivulet calls excitedly - "Come on Saint!" - a green slugcat, Saint, comes out from the pipe as they follow Rivulet, talking with them while walking.

• Spearmaster and Monk are waiting ahead, Spearmaster was sharpening a spear and Monk was petting a Salamander.

• Gourmand was currently teaching Hunter how to craft a cherry bomb, using some batnip and a rock, Hunter follows each step carefully.

Drainage System, Central intake system.