Without a container, boiling water solely by using puddles and heated stones is time-consuming and laborious.
During the wait, Chen Zhou had to constantly use a long wooden stick to remove cooled stones and then add new ones.
Paul, meanwhile, held a Wooden Spear and squatted by the river, spearing fish.
Freshwater fish rarely have poison; for fish like yellow catfish, tilapia, and bowfin which have poisonous spines on their backs, while catfish have toxic eggs and internal organs besides their spines. Globefish, which are entirely poisonous, are basically the only kind.
Although neither of them were familiar with prehistoric fish species, by observing their physical traits, they could deduce the ancestral lineage of modern fish types and thereby avoid eating poisonous parts—
