Mamono ('''魔物''') is a [[Languages|Youkai-go]] term which means "evil spirit". It is a category of creatures that have appeared in the Mazes alongside [[youkai]], which possess a range of magical abilities and traits. Whereas youkai are sapient, civilized creatures that have integrated into society and communities, mamono are feral monsters residing in the Uncivilized Area, being one more category of dangerous creatures that can be found there.
Kanedama is a Youkai-go term which can be transliterated translated to "ball of money". At first glance, this strange construct appears to be a perfectly innocent pile of [[coins]] of various types. But as unsuspecting and greedy adventurers approach to inspect the abandoned money pile, they will find that this pile of coins can float in the air, animated by an unknown magical force. When floating in the air, the pile of coins will hover above the ground, rearranging itself to make scary faces. If that was not enough to scare adventurers, it will start biting or spitting coins at high velocity, until the adventurers give up and run away, or until either side is defeated in combat.
Although a lone kanedama is usually little more than an annoyance, they can form groups of up to five individuals and roam the UA together, thus turning into legitimate threats; repeated bites and assaulting with coins can be lethal! It is wise not to underestimate these strange constructs.