Factors Affecting Population Growth 68 ABC Log10 Population Density (N)Log10 Mortality (k) nFig. 10.1. The relationships between log 10 mortality (kn) and log 10 density, illustrating varioustypes of density-dependent relationships.
A stone covered in lush moss that exudes the vitality of plants. The Mossy Rock is an evolutionary item that is used to evolve Eevee into Leafeon. It may be found in Kecleon Shops in dungeons after Temporal Tower or as a reward from completing high-rank missions.
When it levels up during the evening (any time from 8PM  until 4AM), it will evolve into its Dark-type form.  Leafeon-Moss Rock, any level-Eevee will  only evolve into its Grass-type form when levelled-up in the  vicinity of a Moss Rock. In X/Y, you'll find it on Route 20, the  Winding Woods.  Glaceon-Ice Rock, any level-Eevee will  only evolve into its Ice-type form when levelled-up in the vicinity  of an Ice Rock. In X/Y, you'll find it within the Frost Cavern.  Surf is required to reach it.