Dirt and stone she knows. But. She's not miner caste. The terms confuse her. A table of water under the ground...? "I don't know. But yeah. Dig for more water. People could even start drawing baths to keep themselves cool. Wouldn't that be a blessing." Her shoulders sag. "Okay. So. Magical hole down on the side of the keep. Also, water issues. Also, that rope is definitely strong enough to climb down. Hopefully it'll survive us climbing back up."