He entered the Pill Refining Room.
Chen Lin brought out the Four Symbols Bagua Furnace.
Though called a furnace, it was shaped like a ding, with three legs and two handles, and looked exceedingly ancient.
This was the standard equipment used by alchemists in the Primordial Era.
It could be called a pill cauldron or a pill ding.
A space for the fire source had been specially designed beneath the ding, and runic inscriptions covered its interior and exterior. Once activated, radiance flowed across the entire ding, with a Bagua pattern flickering in and out of sight.
That was how the Four Symbols Bagua Furnace had gotten its name.
Chen Lin enlarged the ding slightly, using it as a small pot.
He took out some golden wheat and fluorescent rice.
He removed their husks.
Then he told the Two Siblings, "You two, give it a try. See whether you can draw out the energy in this spirit rice."
He immediately added a warning.
"Be careful. Keep the force of your absorption to a minimum, lest you suffer a backlash."
The Two Siblings looked at the spirit rice in surprise. Each grain was an inch long, plump and rounded, and gave off a faint rice fragrance.
Nothing about it looked capable of causing a backlash.
Still, out of trust in Chen Lin, they proceeded cautiously, each picking up a grain and attempting to refine it.
They tried the golden wheat first.
After testing it, they shook their heads and put it down.
Then they picked up the fluorescent rice, but again failed to draw out its energy.
"Father, I can't draw out the energy inside. I can sense it, but I can't absorb it."
Chen Siyang answered honestly.
"It's the same for me."
Wen Siyue echoed him.
She thought for a