Octotoads are large monsters that can be found in marshes, temperate woodlands, lake areas, and moist subterranean environs. The attack by hopping and biting, followed by a pair of octoarm slaps. If a bite attack hits with a natural 20, it indicates a hop/leap ended up with the octotoad landing on its victim for 1d6 bludgeoning damage in addition to any other damage that may be done.