Well, Karma is the result of our negative actions or passed on to us through our family lineage or from other of our lives in different times and dimensions.
So theres too much to check about it to pint point why or where the karma you feel passing a bill to you is coming from.
But like from the top of my head that can help you with several of the “roots of some karmas”
The Crucible of the Past : New Release
The Smart Cord Cutter Field: New Release
New Release: The Essence of Mantras
The Essence of Faith and Prayer: New Release
Justice for All: Official Thread
Im sure others will add up more choices
Oh and New Release: Sword of The Righteous
Just remember Karma is the consequences of your negative actions = Karma
So the sword of Righteous can help you align with the best version of you, stop you from doing wrong purposely or without knowing, at the end if being Righteous becomes your essence, you wont have to worry about no Karma because your actions would always be the correct ones 