Lin Mu's plight was understandable to the trio for they knew that the Null Iron Ore was never known to be an easy metal to manipulate.
"That will be tough… I've only ever heard of Null Iron Ore being refined through the use of Grand Furnace Arrays. One could very well use other skills to melt it, but the sustained heat needed is simply not viable for large quantities." Ziran said after hearing it.
"Yeah, if it is a Grand Furnace Array even the most simple one is not something that can be set up here." Daoist Chu who knew about them spoke. "Not only do they need a massive area to set up, they also need an Earth Fire Vein to work properly. You can very well substitute it with a Fire Elemental Crystals stockpile, but you will not have a sustained output, especially not one that reaches the temperatures needed for Null Iron Ore." He added after thinking for a bit.
