It is a huge sum for both of them but they know that this is only a one-time thing so they have to be wise on spending the money they've earned. Especially for Myrtle who probably wouldn't earn this much if not for Cyril's help.
Right now, they didn't have to share their profit with the Association and there weren't taxes as well. Aside from that, this exploration is truly just meant for them to earn something. There was no way they could earn this much again in their next Low-Class Arcane World exploration.
After all, there wouldn't be any treasure hunting in their next Arcane World and instead, they would have to consider it as pure exploration, beast hunting, resource hunting, mapping, and studying of the other world…
"Right… Take these two Arcanite Fruits as well… It would be better if you master your Aura Control as quickly as possible."
Cyril said as he gave her the apple-like fruit to Myrtle.