Chaos offers possibility, not outcome. Our own imaginations ensnare us.
Ixchel's Temptation drops corrupted. A Tainted Catalyst must be used to reroll a random catalyst quality as well as a roll from (0-200)% quality.
How to get it?
Ixchel's Temptation has restrictions on where or how it can drop. It cannot be chanced. Can be obtained as a boss drop from the Trialmaster in an Ultimatum encounter.