Hao Xuan's somber expression could not possibly relate how terrible of a feeling he was getting from this.
"I'm listening, tell me everything," his voice lowered to a whisper.
Ryuk began walking around the area pointing at every other spot as he gave details.
"Down here, and here and here and everywhere. So many of them! Long pointy hairballs in small rooms. Oh, many tunnels too! Everywhere! And...."
Hao Xuan listened for what felt like an eternity but no matter how hard he tried to connect them to one of the countless beasts from his memories nothing concrete came up.
'Maybe I just never came across them in any of the other lives, it is entirely possible.'
He had no choice but to extrapolate the results from other species living in a similar environment.