Danio margaritatus bodies in the Inle drainage, the water is slightly alkaline. The habitat is heavily vegetated with Hydrocharitaceae similar to "Elodea" (water weed). The celestial pearl danio shares its habitat with a very few fish species: a "Microrasbora" similar to "M. rubescens", a rosy loach ("Yunnanilus", possibly a new species, and the dwarf snakehead "Channa harcourtbutleri". The latter species presumably is the only known significant predator of "D. margaritatus". The species is locally fished for food to some extent; it is dried and bought as a protein source by poor people. A can of some 500 "D. margaritatus" sold for food
Creature of Havoc to the rules given the story circumstances: damage to the creature (the player) is reduced by 1 STAMINA point due to its tough hide, while rolling a double on the dice when determining the player's attack strength will instantly kill an enemy. The player begins the adventure as the "creature of havoc" of the title, an unidentified, violent beast with no concept of who or where they are. Because the creature cannot make its own decisions, it is governed by instinct, and die rolls are initially used to determine which pages to turn to, rather than the player's own choice.