- On Howling Abyss:
- Champion death Soul Essences reduced to 4 from 6.
- Large minion death Soul Essences reduced to 2 from 4.
- Multiple champions can harvest the same soul for the full value. Note that the souls are instanced per Harvester, and you will not be able to harvest souls that you were not personally in range to spawn.
- Units drop Soul Essence towards the Harvester, not on their body.
- Dark Harvest is often taken on the Howling Abyss, as the single lane setup causes regular teamfights leading to a lot of takedowns, producing more stacks than the average Summoner's Rift game.
- Dark Harvest's damage can be applied only by basic attacks or abilities that apply on-hit effects (such as ).