If we were to fight stronger monsters, the Royal Capital would rate us higher...

giving us a chance of getting invited into the Demon Lord Vassal Extermination Squad, AKA the "Royal Warranters".

Some of their accomplishments include sealing Granada, a member of the Elite Gang of Four under the Demon Lord's army.

To match up against the stronger enemies, we'll need to gather companions

And in order to gather companions,

Imagine it, if you will.

Who would want to join a party with a pair like us in it?