The other thought that Esta did not suppress, because his brain needed something to chew on and seemed to want to pick something that would hurt to bite, is how probably this is all his fault for acting like a Lawful Neutral fool for weeks on end; the moment that he was put into a context strange enough that nothing was forcing him to be Asmodean or rewarding him for being Asmodean. He probably found it pleasant, and didn't admit it, to be stranded on an alien planet and to not be getting orders every day and new emergencies every three days. To have so little to do, and not have it be his own fault for doing so little; because what can you do after the spells run out and you can't keep searching for the lost item, after all. He chose laziness over Evil when given half a chance, and now Asmodeus has abandoned him, and it is all his fault.
(WIS 22 is not enough to stop someone from twisting around their own past story and history in their mind, until it makes events out to be their own fault, and thereby, within their own imaginary control retrospectively. To have things be your own fault is still to be the big important chooser of your life, and to have the series of past events be a story with a narrative and a moral...
For someone who'd grown up in dath ilan and heard a few proverbs, WIS 22 would be more than enough to enforce the internal choice not to do that.
But without any proverbs at all to hand about what dath ilan would consider real Wisdom, WIS 22 is not enough to invent all the right proverbs starting from Cheliax's baseline.)