Now if you want this Cub to grow stronger, it needs stronger magic.
Go to Blakatoa Range! Scorching Spider's Flesh and Mad Fire Spirit Core hold wild magic energy.
If mixed with Energy Fusion Agent, it enhance magic purity. Naturally it's not free.
Monsters in Blakatoa Range aren't easy to deal with, if you want Scorching Spider's Flesh and Mad Fire Spirit Core, it'll take some work.
Naturally Energy Fusion Agent is not easy to make, it cost me much effort, and I'm already selling it to you at cost without a cent of profit. Seeing your doubt, Hubert explains but seems to make it more suspicious.