I've recently noticed an uptick in the amount of interest in the double eye chart, especially as it relates to Truthwatchers due to their position opposite of the Bondsmiths.
And indeed I think this is warranted. And I intend to look into it.
Now going over Truthwatchers, first I want to go over their position on the chart, and in particular the orders connected to them. They sit in the position opposite the Bondsmtih, while also standing between Edgedanncers and Lightweavers, just as Bondsmiths are between Stonewards and Windrunners.
Why do I bring this up? Because I often took too long looking at the comparison between Windrunners and Edgedanncers, each having a spren named after one of the Shards, Honorspren and Cultivation spren, together with Lift being able to use Progression while under Urithiru's suppression to believe that Progression is Cultivation's truest surge, and what made Truthwatchers special. And while I do still believe Progression to be Cultivation's truest surge, I no longer believe it to be what truly makes Truthwatchs tick.
Instead I want to propose that the upper and lower halves of the chart are not simply opposites, but mirrored. It is not the surge they share with Edgedanncers that makes Truthwatchers special, but the one they share with Lightweavers.
In WaT Szeth makes the following observation
He calls Truthwatchers the oddest of the orders, something usually reserved for Bondsmiths, and the surge used immediately afterwards is that of Illumination. Additionally what this Honorbearer demonstrates for us is clearly the power of Fortune, seeing things as they are and as they could be. The only other order that is described with this attribute is that of the Lightweavers.
Indeed we can see other examples of this such as the Truthwatcher who wrote the following in the gem archive
I therefore propose that just as Bondsmiths hold the powers of Connection, Truthwatchers hold the powers of Fortune.