99-Legged Spider

99-Legged Spiders are a species of spider whose power level is derived from its number of legs. As a spider takes the lives of more victims, their souls get transmuted into the spider, letting it grow an additional legs. However 99-Legged Spiders' power levels are not entirely proportional to their kill count, as the additional set of 98 legs will cause the spider to trip more frequently.

A Level 99 99-Legged Spider therefore would have 98 additional legs and thus, could one-shot most adventurers but will also usually be flipped upside down on its ass from a big trip. Most adventurers die anyway because one of the 99 flailing legs will slightly scratch adventurer, causing immense large number damage and internal bleeding.