Karn did not immediately take the spirit herbs he had acquired through trading. Though herbs only a few decades old had decent effects, they did little for him.
He would cultivate and preserve them for now. Once he returned to the Marvel Universe, he might be able to turn them directly into ten-thousand-year-old herbs, provided he could borrow the Time Stone. There was no shortage of energy to cultivate them, and borrowing the Time Stone should not be troublesome either. Or, once Thanos came knocking, The Ancient One would probably have a proper discussion with him.
Some of the herb seeds could also become ten-thousand-year-old herbs after he returned. Whether used to save others or for himself, they would be immensely valuable.
The Marvel Universe had no such concept. Powerful beings like the Celestials had existed before the universe came into being, while weaker beings had difficulty changing through cultivation and could only modify their bodies, genes, and so forth.
Still, there were plenty of good things among the spirit herbs Karn had acquired, and cultivation could produce many seedlings. Hong should have been able to do the same, but growing mature spirit herbs this way required a growth cycle of at least several decades.
Earth's powerhouses did not have that kind of patience. Who knew what humanity's fate would be several decades later? They were better off spending that time exploring Earth's ruins. They might even find a way to save humanity's future.
Wuhan Region.
Crunch, crunch.
Metallic crunching rang out from Karn's mouth as he chewed. After pausing for a moment, he spat out a metal block weighing a full two tons. He had swallowed two different metals with his munching ability and combined them.
But after taking the metal in hand, Karn frowned slightly and thought, *Its