Berserker emperor
"We saw the effects of that magic on him… it seems that sin magic is only something the dragons can use, efficiently at least," Orcis said after nodding several times. "Well, this isn't much useful in combat, but at least it improved our lives drastically."
According to Orcis, since the island was made out of magic, it was rich in mana so that vegetation could grow there extremely fast, and just like Rain, they learned how to feed trees with the right nutrients using their mana.
At first, they had to do a bunch of experiments, but soon, they learned that people with the right elemental affinities could pull that off just by feeding the trees with mana. Those were mainly water and earth mages. Fire and wind mages could do the same but with a lower efficiency.
"It is interesting if anything else," Rain said.