The Empire Tree is the noncombat research tree for the Vasari.
Expert Bounty Hunting and Raider Xenophobia were moved to the Manipulation Tree in Diplomacy.
Nanotechnology[]
Introduces advanced nanomachine technologies ranging from medicine to resource generation, trade, construction and more.
| Name | Viturska Imperial Labs | Prerequisites | Effect (Per level) | Cost (Credits/Metal/Crystal) |
|---|---|---|---|---|
| Improved Salvaging | 1 | Increases scuttle rate by +50.0%, and increases scuttle value +20.0% | 400/0/25 | |
| Artificial Longevity | 2 | +20.0% faster pop growth | 600/50/100 | |
| Resource Sublimation | 2 | Increases the metal and crystal production of your mining facilities by 5%. | 600/50/100 700/75/125 | |
| Orbital Processing | 3 | Entanglement Filtering | Unlocks Orbital Refinery | 800/100/175 |
| Wreckage Auto-Salvage | 3 | Improved Salvaging | Increases salvage value +8.3% | 800/100/175 900/125/200 1000/150/225 |
| Entanglement Filtering | 3 | Resource Sublimation | Further increases the metal and crystal production of your mining facilities by 5%. | 800/100/175 900/125/200 |
| Off-World Exports | 4 | Unlocks Trade Port | 1000/150/250 | |
| Trauma Nanomedicine | 4 | Artificial Longevity | +10.0% pop survival | 1000/150/250 1100/175/275 |
| Catalyzed Atomic Sorting | 5 | Entanglement Filtering | Further increases the metal and crystal production of your mining facilities by 5%. | 1200/200/325 1300/225/350 |
| Valuable Goods | 5 | Off-World Exports | Increases the income of your trade vessels by +7.5%. | 1200/200/325 1300/225/350 |
| Power Draining Nanites | 5 | Unlocks Nano Weapon Jammer | 1200/200/325 | |
| Molecular Assembly | 6 | "ModuleBuildRateAdjustment" +5.0% | 1400/250/400 1500/275/425 | |
| Enhanced Nanites | 6 | Power Draining Nanites | 1400/250/400 1500/275/425 | |
| Matter Decompilation | 7 | Catalyzed Atomic Sorting | Further increases the metal and crystal production of your mining facilities by 5%. | 1600/300/475 1700/325/500 |
| Optimized Construction | 7 | "ResourceCostAdjustment" +4.0% | 1600/300/475 1800/350/525 | |
| Priceless Goods | 7 | Valuable Goods | Further increases the income of your trade vessels by 7.5%. | 1600/300/475 1800/350/525 |
Phase Mastery[]
Gives access to phase space monitoring research, phasic barriers, FTL transmission, phase stabilization, and access to the Dark Fleet.
| Name | Viturska Imperial Labs | Prerequisites | Effect (Per level) | Cost (Credits/Metal/Crystal) |
|---|---|---|---|---|
| Phase Space Monitoring | 1 | Detects incoming enemies 1 jump away | 400/0/25 | |
| Long Range Jumps | 2 | Allows inter-system travel | 600/50/100 | |
| Phasic Barrier | 3 | Unlocks Phasic Barrier | 800/100/175 | |
| Phasic Cloaking | 4 | Unlocks Phasic Cloaking | 1000/150/250 | |
| Worm Hole Stabilization | 4 | Allows passage through wormholes | 1000/150/250 | |
| Extended Range Sensors | 4 | Phase Space Monitoring | Detects incoming enemies 2 jumps away | 1000/150/250 |
| Gravity Tolerance | 5 | "HyperspaceExitDistanceAdjustment" -6.0% | 1200/200/325 | |
| Phase Tunneling | 5 | Unlocks Phase Stabilizer | 1200/200/325 | |
| Phasic Transmissions | 6 | "PlanetSlotsShipsAdjustment" +7.5% | 1400/250/400 | |
| Enhanced Tunneling | 7 | Phase Tunneling | "HyperspaceSpeedPhaseGateAdjustment" +20.0% | 1600/300/475 |
| Returning Armada | 8 | Enhanced Tunneling | 1800/350/550 | |
| Highly Attuned Sensors | 8 | Extended Range Sensors | Detect all phase jumps | 1800/350/550 |
Oppression[]
Provides access to planet occupation methods, propaganda, trade and enslavement abilities.
| Name | Viturska Imperial Labs | Prerequisites | Effect (Per level) | Cost (Credits/Metal/Crystal) |
|---|---|---|---|---|
| Full Terran Lockdown | 1 | +7.5% Terran planet pop | 400/0/25
500/0/50 | |
| Fortification Specialists | 1 | "PlanetUpgradeBuildRateAdjustment" +40.0% for "Infrastructure" planet upgrades, "PlanetUpgradeCostAdjustment" +25.0% for "Infrastructure" planet upgrades | 400/0/25 | |
| Expert Bounty Hunting | 1 | "BountyCollectedAdjustment" +12.5% | 400/0/25 | |
| Arctic Occupation | 2 | Allows Ice planet colonization | 600/50/100 | |
| Volcanic Occupation | 2 | Allows Volcanic planet colonization | 600/50/100 | |
| Raider Xenophobia | 2 | "PirateStrengthAgainstYouAdjustment" -10.0% | 600/50/100 | |
| Compelling Propaganda | 3 | Unlocks Media Hub | 800/100/175 | |
| Enslaved Labor | 3 | "CreditCostAdjustment" +4.0% | 800/100/175 | |
| Subzero Biology | 3 | Arctic Occupation | +7.5% Ice planet pop | 800/100/175 |
| Extreme Heat Metabolism | 4 | Volcanic Occupation | +7.5% Volcanic planet pop | 1000/150/250 |
| Regimented Thought | 4 | Compelling Propaganda | +5.0% culture spread, +3.75% weapon damage when in culture | 1000/150/250 |
| Shock and Awe | 5 | Regimented Thought | +20.0% Capital Ship repel rate | 1200/200/325 |
| Sulfurous Respiration | 5 | Extreme Heat Metabolism | +7.5% Volcanic planet pop | 1200/200/325 |
| Cunning Sympathizers | 6 | Regimented Thought | +5.0% culture spread, +3.75% weapon damage when in culture | 1400/250/400 |