Better to have someone with you, especially if you're unharmonized.

[ Since it sounds as though he's new, Yuri ventures the guess. He'd fought a monster unharmonized, but he had weapons and a king with the strength of a squadron on his side. They even had a princess spotting weak points for them.

It's a far cry from unarmed and alone. ]

Then there're pools of shadow that look like spilled ink. Those'll snatch at you too.

[ There really ought to be a primer for such things... Regardless, Yuri procures several knives from his jacket and offers them to the presumed newbie, handle first. ]

Here.