Bold Undertakings causes your Fortune Favours the Brave map crafting option to add two random options instead of one but doubles the price of Fortune Favours the Brave. This keystone can double the effectiveness of Overloaded Circuits.
In Ruthless mode, effect TBA.
As of version 3.22.0 it is located near the center of the Atlas passive skill tree inside the Map cluster.
Kirac League Mods Available During PoE 3.22
Fortune Favours the Brave (costs 3 Chaos Orbs): One of these options will be applied at random, including those you have not yet unlocked.
Essence (costs 2 Chaos Orbs): Area contains 2 additional Essences.
Domination (costs 3 Chaos Orbs): Area contains 3 additional Shrines.
Breach (costs 4 Chaos Orbs): Area contains 2 additional Breaches.
Harbinger (costs 6 Chaos Orbs): Area contains 3 additional Harbingers.
Legion (costs 6 Chaos Orbs): Area contains an additional Legion Encounter.
Delirium (costs 10 Chaos Orbs): Area contains a Mirror of Delirium.
Ritual (costs 10 Chaos Orbs): Area contains Ritual Altars.