Expand Embassies- Inquisitor Klovis-Ultan has put forward a proposal to greatly increase the size of Avernus' Embassies and relocate a major portion of the diplomatic staff to them. While this would limit the amount of diplomatic missions that he could run it would allw your ambassadors to constantly work on improving the relationship between Avernus and the planet that they are stationed on.
Time: 5 years.
Cost: 400,000,000 Thrones, 40,000,000 Material, 10,000,000 Metal, 4,000,000 Promethium, 8,300 Advanced Material.
Upkeep per year: 40,000,000 Thrones, 4,000,000 Material, 1,000,000 Metal, 400,000 Promethium, 415 Advanced Material.
Reward: lose 1 diplomacy action, get a (40-relations*2)% chance per year of increasing every relationship within the Imperial Trust that is under 10, +10 to all diplomatic relations rolls
Is this desirable to do? Losing one diplomatic action forever is a pretty hefty penalty to flexibility.