In the shortest terms, karma means that our every thought, word and deed has a consequence. It can be compared to sowing and harvesting. You sow good seeds - you reap good fruit. You sow bad - well, the harvest will also be unpalatable.

Karma if you hurt comes back, if you hurt saturn it comes back three times, if you use its power the same. Note that even higher magic similarly to natural Wicca always teach one thing - forgive. Note how many parallels there are with many religions and yet the dominant religions of today were built on these ancient beliefs that were laicized from esoteric activities. It's always worth thinking about why and whether it's really worth wishing badly and whether it's not better for your own mental health to simply cut yourself off and not feed on anger and hatred. There will be no bile and if this person has hurt you before, when you yourself begin to return to the level of life you desire then your growth will be the measure of her demise because karma affects both her and you equally, hence it is said that karma is s...ka. Not without reason because it can come when you least expect it, many times when you yourself no longer remember the reasons for which it came