"It's been here for the last 70 years.
The Silverhaze Mine is rich in gold and gems, so ponies dug new tunnels all the time.
We even found other older tunnels, probably dug by Diamond dogs, such as our friend here.
They seem to be everywhere underneath here.
The story goes that at a certain point 70 years ago one of the miners accidentaly breached a chamber filled with the gas. It quickly spread throughout most of the mine and many ponies died that day.
Even to this day, the deepest mine shafts are sealed since a pony wouldn't survive for 10 seconds there.">>387836
"Firethorn was the last one. You'll have to talk to Lord Silverhaze about any escorting."
He takes a look at the Giant Bear head.
"Now that is a worthy trophy. Who slew it?"