Probe Trust

Probe Trust is the resource you allocate to design the probes on Stage 3. It can be reallocated as often as you like.

Probe trust is increased by spending yomi, up to the available Max Trust.

Max Trust
Max Trust is a limit to the Probe Trust resource used to power the probes on Stage 3

It is increased by spending Honor, in increments of 10 (so the first increase is from 20 to 30), and the cost is always 91,117.99 Honor.

At least 151 Trust has been unlocked, though Probe Trust of 20 is enough to cover the universe and finish the game.

Probe Trust costs
Probe Trust of 40 has shown to be enough to finish the game (though it will be a little bit faster on 43-45). The formula for the cost of probe trust is  (where   is the amount of probe trust you currently have), which calculates to these values: