Effective Level (Grow Smart) Different areas and instances in the game might have “Level Downscaling '' like PvEvP areas, Dungeons or Raids (Where your current Level is lowered) Or "Level Upscaling" which is currently present at arena matches, where it's meant to reduce the disparity between the contenders by upscaling the Lv of all players to that of the highest Lvl player in the match. This mechanic in skylore is named as “Effective Level”, is meant to keep the game competitive